11115426 has 32 divisors (see below), whose sum is σ = 25509888. Its totient is φ = 3162960.

The previous prime is 11115409. The next prime is 11115427. The reversal of 11115426 is 62451111.

11115426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11115426² = 247105390322952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11115427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15741 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (797184).

Almost surely, 2^11115426 is an apocalyptic number.

11115426 is an abundant number, since it is smaller than the sum of its proper divisors (14394462).

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

11115426 is a wasteful number, since it uses less digits than its factorization.

11115426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its digits is 240, while the sum is 21.

The square root of 11115426 is about 3333.9805038422. The cubic root of 11115426 is about 223.1731982437.

Adding to 11115426 its reverse (62451111), we get a palindrome (73566537).

The spelling of 11115426 in words is "eleven million, one hundred fifteen thousand, four hundred twenty-six".