11504142 has 48 divisors (see below), whose sum is σ = 27085968. Its totient is φ = 3507840.

The previous prime is 11504137. The next prime is 11504147. The reversal of 11504142 is 24140511.

11504142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11504137) and next prime (11504147).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11504147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49258 + ... + 49490.

It is an arithmetic number, because the mean of its divisors is an integer number (564291).

Almost surely, 2^11504142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11504142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13542984).

11504142 is an abundant number, since it is smaller than the sum of its proper divisors (15581826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11504142 is a wasteful number, since it uses less digits than its factorization.

11504142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11504142 is about 3391.7756411650. The cubic root of 11504142 is about 225.7449677506.

Adding to 11504142 its reverse (24140511), we get a palindrome (35644653).

The spelling of 11504142 in words is "eleven million, five hundred four thousand, one hundred forty-two".