111101009975 has 6 divisors (see below), whose sum is σ = 137765252400. Its totient is φ = 88880807960.

The previous prime is 111101009953. The next prime is 111101010073. The reversal of 111101009975 is 579900101111.

It is not a de Polignac number, because 111101009975 - 2¹⁶ = 111100944439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2222020175 + ... + 2222020224.

It is an arithmetic number, because the mean of its divisors is an integer number (22960875400).

Almost surely, 2^111101009975 is an apocalyptic number.

111101009975 is a deficient number, since it is larger than the sum of its proper divisors (26664242425).

111101009975 is an equidigital number, since it uses as much as digits as its factorization.

111101009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444040409 (or 4444040404 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 35.

The spelling of 111101009975 in words is "one hundred eleven billion, one hundred one million, nine thousand, nine hundred seventy-five".