12111376587 has 16 divisors (see below), whose sum is σ = 17189424000. Its totient is φ = 7563340224.

The previous prime is 12111376553. The next prime is 12111376591. The reversal of 12111376587 is 78567311121.

It is not a de Polignac number, because 12111376587 - 2¹⁵ = 12111343819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12111376687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188637 + ... + 1198782.

It is an arithmetic number, because the mean of its divisors is an integer number (1074339000).

Almost surely, 2^12111376587 is an apocalyptic number.

12111376587 is a deficient number, since it is larger than the sum of its proper divisors (5078047413).

12111376587 is a wasteful number, since it uses less digits than its factorization.

12111376587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387530.

The product of its digits is 70560, while the sum is 42.

The spelling of 12111376587 in words is "twelve billion, one hundred eleven million, three hundred seventy-six thousand, five hundred eighty-seven".