11942257524 has 36 divisors (see below), whose sum is σ = 29129491776. Its totient is φ = 3807674288.

The previous prime is 11942257477. The next prime is 11942257553. The reversal of 11942257524 is 42575224911.

It is a happy number.

11942257524 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 2×11942257524² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934284 + ... + 946979.

Almost surely, 2^11942257524 is an apocalyptic number.

It is an amenable number.

11942257524 is an abundant number, since it is smaller than the sum of its proper divisors (17187234252).

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

11942257524 is a wasteful number, since it uses less digits than its factorization.

11942257524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881316 (or 1881291 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The spelling of 11942257524 in words is "eleven billion, nine hundred forty-two million, two hundred fifty-seven thousand, five hundred twenty-four".