11952861877 has 16 divisors (see below), whose sum is σ = 13401748800. Its totient is φ = 10564784640.

The previous prime is 11952861853. The next prime is 11952861923. The reversal of 11952861877 is 77816825911.

It is not a de Polignac number, because 11952861877 - 2⁷ = 11952861749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11952861827) 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, 583749 + ... + 603877.

It is an arithmetic number, because the mean of its divisors is an integer number (837609300).

Almost surely, 2^11952861877 is an apocalyptic number.

It is an amenable number.

11952861877 is a deficient number, since it is larger than the sum of its proper divisors (1448886923).

11952861877 is a wasteful number, since it uses less digits than its factorization.

11952861877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21636.

The product of its digits is 1693440, while the sum is 55.

The spelling of 11952861877 in words is "eleven billion, nine hundred fifty-two million, eight hundred sixty-one thousand, eight hundred seventy-seven".