11825535042 has 12 divisors (see below), whose sum is σ = 25621992630. Its totient is φ = 3941845008.

The previous prime is 11825535017. The next prime is 11825535061. The reversal of 11825535042 is 24053552811.

11825535042 is a `hidden beast` number, since 1 + 1 + 82 + 5 + 535 + 0 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9414626841 + 2410908201 = 97029^2 + 49101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11825534988 and 11825535006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328487067 + ... + 328487102.

Almost surely, 2^11825535042 is an apocalyptic number.

11825535042 is an abundant number, since it is smaller than the sum of its proper divisors (13796457588).

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

11825535042 is a wasteful number, since it uses less digits than its factorization.

11825535042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656974177 (or 656974174 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 11825535042 in words is "eleven billion, eight hundred twenty-five million, five hundred thirty-five thousand, forty-two".