11580910587 has 6 divisors (see below), whose sum is σ = 16727981972. Its totient is φ = 7720607052.

The previous prime is 11580910567. The next prime is 11580910633. The reversal of 11580910587 is 78501908511.

11580910587 is a `hidden beast` number, since 1 + 1 + 58 + 0 + 9 + 10 + 587 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-11580910587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11580910567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 643383913 + ... + 643383930.

Almost surely, 2^11580910587 is an apocalyptic number.

11580910587 is a deficient number, since it is larger than the sum of its proper divisors (5147071385).

11580910587 is a wasteful number, since it uses less digits than its factorization.

11580910587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286767849 (or 1286767846 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 45.

The spelling of 11580910587 in words is "eleven billion, five hundred eighty million, nine hundred ten thousand, five hundred eighty-seven".