11965495059 has 24 divisors (see below), whose sum is σ = 20087358720. Its totient is φ = 6721535088.

The previous prime is 11965495027. The next prime is 11965495097. The reversal of 11965495059 is 95059456911.

11965495059 is a `hidden beast` number, since 1 + 1 + 96 + 5 + 49 + 505 + 9 = 666.

It is not a de Polignac number, because 11965495059 - 2⁵ = 11965495027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11965494996 and 11965495014.

It is not an unprimeable number, because it can be changed into a prime (11965495019) 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, 1605847 + ... + 1613280.

It is an arithmetic number, because the mean of its divisors is an integer number (836973280).

Almost surely, 2^11965495059 is an apocalyptic number.

11965495059 is a deficient number, since it is larger than the sum of its proper divisors (8121863661).

11965495059 is a wasteful number, since it uses less digits than its factorization.

11965495059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219199 (or 3219196 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 54.

The spelling of 11965495059 in words is "eleven billion, nine hundred sixty-five million, four hundred ninety-five thousand, fifty-nine".