111506327145 has 96 divisors (see below), whose sum is σ = 203744885760. Its totient is φ = 56335818240.

The previous prime is 111506327111. The next prime is 111506327161. The reversal of 111506327145 is 541723605111.

111506327145 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 0 + 632 + 7 + 14 + 5 = 666.

It is not a de Polignac number, because 111506327145 - 2⁶ = 111506327081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37631434 + ... + 37634396.

It is an arithmetic number, because the mean of its divisors is an integer number (2122342560).

Almost surely, 2^111506327145 is an apocalyptic number.

111506327145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111506327145 is a deficient number, since it is larger than the sum of its proper divisors (92238558615).

111506327145 is a wasteful number, since it uses less digits than its factorization.

111506327145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 111506327145 in words is "one hundred eleven billion, five hundred six million, three hundred twenty-seven thousand, one hundred forty-five".