111540460144 has 20 divisors (see below), whose sum is σ = 217540835920. Its totient is φ = 55400889600.

The previous prime is 111540460139. The next prime is 111540460151. The reversal of 111540460144 is 441064045111.

It is a happy number.

It is a congruent number.

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, 23081289 + ... + 23086120.

It is an arithmetic number, because the mean of its divisors is an integer number (10877041796).

Almost surely, 2^111540460144 is an apocalyptic number.

It is an amenable number.

111540460144 is a deficient number, since it is larger than the sum of its proper divisors (106000375776).

111540460144 is a wasteful number, since it uses less digits than its factorization.

111540460144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46167568 (or 46167562 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 111540460144 in words is "one hundred eleven billion, five hundred forty million, four hundred sixty thousand, one hundred forty-four".