11640525057 has 24 divisors (see below), whose sum is σ = 19287041280. Its totient is φ = 6627173760.

The previous prime is 11640525049. The next prime is 11640525103. The reversal of 11640525057 is 75052504611.

11640525057 is a `hidden beast` number, since 1 + 1 + 640 + 5 + 2 + 5 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 11640525057 - 2³ = 11640525049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11640523057) 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, 323832 + ... + 357977.

It is an arithmetic number, because the mean of its divisors is an integer number (803626720).

Almost surely, 2^11640525057 is an apocalyptic number.

It is an amenable number.

11640525057 is a deficient number, since it is larger than the sum of its proper divisors (7646516223).

11640525057 is a wasteful number, since it uses less digits than its factorization.

11640525057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682093 (or 682090 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 11640525057 in words is "eleven billion, six hundred forty million, five hundred twenty-five thousand, fifty-seven".