111100570355623 has 4 divisors (see below), whose sum is σ = 111102216089328. Its totient is φ = 111098924621920.

The previous prime is 111100570355549. The next prime is 111100570355659. The reversal of 111100570355623 is 326553075001111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111100570355623 is a prime.

It is a super-2 number, since 2×111100570355623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100570355123) 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, 822765586 + ... + 822900607.

It is an arithmetic number, because the mean of its divisors is an integer number (27775554022332).

Almost surely, 2^{111100570355623} is an apocalyptic number.

111100570355623 is a deficient number, since it is larger than the sum of its proper divisors (1645733705).

111100570355623 is an equidigital number, since it uses as much as digits as its factorization.

111100570355623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645733704.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 111100570355623 in words is "one hundred eleven trillion, one hundred billion, five hundred seventy million, three hundred fifty-five thousand, six hundred twenty-three".