11957263977 has 16 divisors (see below), whose sum is σ = 16800264000. Its totient is φ = 7543793664.

The previous prime is 11957263949. The next prime is 11957263979. The reversal of 11957263977 is 77936275911.

It is not a de Polignac number, because 11957263977 - 2¹⁴ = 11957247593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (11957263979) 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, 59952 + ... + 165857.

It is an arithmetic number, because the mean of its divisors is an integer number (1050016500).

Almost surely, 2^11957263977 is an apocalyptic number.

It is an amenable number.

11957263977 is a deficient number, since it is larger than the sum of its proper divisors (4843000023).

11957263977 is a wasteful number, since it uses less digits than its factorization.

11957263977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226760.

The product of its digits is 5000940, while the sum is 57.

The spelling of 11957263977 in words is "eleven billion, nine hundred fifty-seven million, two hundred sixty-three thousand, nine hundred seventy-seven".