11677944518 has 8 divisors (see below), whose sum is σ = 18120948480. Its totient is φ = 5637628360.

The previous prime is 11677944511. The next prime is 11677944637. The reversal of 11677944518 is 81544977611.

11677944518 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11677944518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11677944511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100671878 + ... + 100671993.

It is an arithmetic number, because the mean of its divisors is an integer number (2265118560).

Almost surely, 2^11677944518 is an apocalyptic number.

11677944518 is a deficient number, since it is larger than the sum of its proper divisors (6443003962).

11677944518 is a wasteful number, since it uses less digits than its factorization.

11677944518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201343902.

The product of its digits is 1693440, while the sum is 53.

The spelling of 11677944518 in words is "eleven billion, six hundred seventy-seven million, nine hundred forty-four thousand, five hundred eighteen".