11864158137 has 12 divisors (see below), whose sum is σ = 18455357284. Its totient is φ = 7301020320.

The previous prime is 11864158123. The next prime is 11864158147. The reversal of 11864158137 is 73185146811.

11864158137 is a `hidden beast` number, since 1 + 1 + 8 + 64 + 1 + 581 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2918592576 + 8945565561 = 54024^2 + 94581^2 .

It is not a de Polignac number, because 11864158137 - 2⁸ = 11864157881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11864158092 and 11864158101.

It is not an unprimeable number, because it can be changed into a prime (11864158147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50701414 + ... + 50701647.

Almost surely, 2^11864158137 is an apocalyptic number.

It is an amenable number.

11864158137 is a deficient number, since it is larger than the sum of its proper divisors (6591199147).

11864158137 is a wasteful number, since it uses less digits than its factorization.

11864158137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101403080 (or 101403077 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The spelling of 11864158137 in words is "eleven billion, eight hundred sixty-four million, one hundred fifty-eight thousand, one hundred thirty-seven".