11952660587 has 16 divisors (see below), whose sum is σ = 14000817600. Its totient is φ = 9989928960.

The previous prime is 11952660563. The next prime is 11952660623. The reversal of 11952660587 is 78506625911.

It is a cyclic number.

It is not a de Polignac number, because 11952660587 - 2²⁰ = 11951612011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11952660527) 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, 583739 + ... + 603867.

It is an arithmetic number, because the mean of its divisors is an integer number (875051100).

Almost surely, 2^11952660587 is an apocalyptic number.

11952660587 is a deficient number, since it is larger than the sum of its proper divisors (2048157013).

11952660587 is a wasteful number, since it uses less digits than its factorization.

11952660587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 11952660587 in words is "eleven billion, nine hundred fifty-two million, six hundred sixty thousand, five hundred eighty-seven".