11918374011554 has 16 divisors (see below), whose sum is σ = 17931494568960. Its totient is φ = 5941228375680.

The previous prime is 11918374011529. The next prime is 11918374011569. The reversal of 11918374011554 is 45511047381911.

11918374011554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3563759 + ... + 6044594.

It is an arithmetic number, because the mean of its divisors is an integer number (1120718410560).

Almost surely, 2^{11918374011554} is an apocalyptic number.

11918374011554 is a deficient number, since it is larger than the sum of its proper divisors (6013120557406).

11918374011554 is a wasteful number, since it uses less digits than its factorization.

11918374011554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610225.

The product of its (nonzero) digits is 604800, while the sum is 50.

The spelling of 11918374011554 in words is "eleven trillion, nine hundred eighteen billion, three hundred seventy-four million, eleven thousand, five hundred fifty-four".