11535642 has 16 divisors (see below), whose sum is σ = 25634880. Its totient is φ = 3845196.

The previous prime is 11535631. The next prime is 11535647. The reversal of 11535642 is 24653511.

11535642 is a `hidden beast` number, since 1 + 15 + 3 + 5 + 642 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11535647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106758 + ... + 106865.

It is an arithmetic number, because the mean of its divisors is an integer number (1602180).

Almost surely, 2^11535642 is an apocalyptic number.

11535642 is an abundant number, since it is smaller than the sum of its proper divisors (14099238).

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

11535642 is a wasteful number, since it uses less digits than its factorization.

11535642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213634 (or 213628 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 11535642 is about 3396.4160522527. The cubic root of 11535642 is about 225.9508207397.

The spelling of 11535642 in words is "eleven million, five hundred thirty-five thousand, six hundred forty-two".