111873580957 has 2 divisors, whose sum is σ = 111873580958. Its totient is φ = 111873580956.

The previous prime is 111873580829. The next prime is 111873580961. The reversal of 111873580957 is 759085378111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105226276996 + 6647303961 = 324386^2 + 81531^2 .

It is a cyclic number.

It is not a de Polignac number, because 111873580957 - 2⁷ = 111873580829 is a prime.

It is a super-2 number, since 2×111873580957² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111873580898 and 111873580907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111873580057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55936790478 + 55936790479.

It is an arithmetic number, because the mean of its divisors is an integer number (55936790479).

Almost surely, 2^111873580957 is an apocalyptic number.

It is an amenable number.

111873580957 is a deficient number, since it is larger than the sum of its proper divisors (1).

111873580957 is an equidigital number, since it uses as much as digits as its factorization.

111873580957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 55.

The spelling of 111873580957 in words is "one hundred eleven billion, eight hundred seventy-three million, five hundred eighty thousand, nine hundred fifty-seven".