11953977008 has 40 divisors (see below), whose sum is σ = 23831639856. Its totient is φ = 5806112000.

The previous prime is 11953976941. The next prime is 11953977029. The reversal of 11953977008 is 80077935911.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15863 + ... + 155433.

Almost surely, 2^11953977008 is an apocalyptic number.

It is an amenable number.

11953977008 is a deficient number, since it is larger than the sum of its proper divisors (11877662848).

11953977008 is a wasteful number, since it uses less digits than its factorization.

11953977008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139733 (or 139727 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 11953977008 in words is "eleven billion, nine hundred fifty-three million, nine hundred seventy-seven thousand, eight".