11916479954 has 8 divisors (see below), whose sum is σ = 17875473660. Its totient is φ = 5957988736.

The previous prime is 11916479947. The next prime is 11916480007. The reversal of 11916479954 is 45997461911.

It can be written as a sum of positive squares in 2 ways, for example, as 11749476025 + 167003929 = 108395^2 + 12923^2 .

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 11916479954.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59339 + ... + 165390.

Almost surely, 2^11916479954 is an apocalyptic number.

11916479954 is a deficient number, since it is larger than the sum of its proper divisors (5958993706).

11916479954 is a wasteful number, since it uses less digits than its factorization.

11916479954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251244.

The product of its digits is 2449440, while the sum is 56.

The spelling of 11916479954 in words is "eleven billion, nine hundred sixteen million, four hundred seventy-nine thousand, nine hundred fifty-four".