111720755016 has 48 divisors (see below), whose sum is σ = 325852204860. Its totient is φ = 34375616640.

The previous prime is 111720755009. The next prime is 111720755033. The reversal of 111720755016 is 610557027111.

It is a happy number.

111720755016 is a `hidden beast` number, since 1 + 11 + 72 + 0 + 75 + 501 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78798104100 + 32922650916 = 280710^2 + 181446^2 .

It is a super-3 number, since 3×111720755016³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59678955 + ... + 59680826.

Almost surely, 2^111720755016 is an apocalyptic number.

It is an amenable number.

111720755016 is an abundant number, since it is smaller than the sum of its proper divisors (214131449844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111720755016 is a wasteful number, since it uses less digits than its factorization.

111720755016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119359806 (or 119359799 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 36.

The spelling of 111720755016 in words is "one hundred eleven billion, seven hundred twenty million, seven hundred fifty-five thousand, sixteen".