111668037477 has 32 divisors (see below), whose sum is σ = 154237906944. Its totient is φ = 71824584000.

The previous prime is 111668037469. The next prime is 111668037487. The reversal of 111668037477 is 774730866111.

It is not a de Polignac number, because 111668037477 - 2³ = 111668037469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111668037487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2769103 + ... + 2809139.

It is an arithmetic number, because the mean of its divisors is an integer number (4819934592).

Almost surely, 2^111668037477 is an apocalyptic number.

It is an amenable number.

111668037477 is a deficient number, since it is larger than the sum of its proper divisors (42569869467).

111668037477 is a wasteful number, since it uses less digits than its factorization.

111668037477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40369.

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 111668037477 in words is "one hundred eleven billion, six hundred sixty-eight million, thirty-seven thousand, four hundred seventy-seven".