111111900007 has 4 divisors (see below), whose sum is σ = 111113409096. Its totient is φ = 111110390920.

The previous prime is 111111900001. The next prime is 111111900089. The reversal of 111111900007 is 700009111111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111111900007 - 2³ = 111111899999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111900001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638113 + ... + 793354.

It is an arithmetic number, because the mean of its divisors is an integer number (27778352274).

Almost surely, 2^111111900007 is an apocalyptic number.

111111900007 is a deficient number, since it is larger than the sum of its proper divisors (1509089).

111111900007 is an equidigital number, since it uses as much as digits as its factorization.

111111900007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509088.

The product of its (nonzero) digits is 63, while the sum is 22.

The spelling of 111111900007 in words is "one hundred eleven billion, one hundred eleven million, nine hundred thousand, seven".