111885414929 has 2 divisors, whose sum is σ = 111885414930. Its totient is φ = 111885414928.

The previous prime is 111885414889. The next prime is 111885414937. The reversal of 111885414929 is 929414588111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111836736400 + 48678529 = 334420^2 + 6977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111885414929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111885414629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55942707464 + 55942707465.

It is an arithmetic number, because the mean of its divisors is an integer number (55942707465).

Almost surely, 2^111885414929 is an apocalyptic number.

It is an amenable number.

111885414929 is a deficient number, since it is larger than the sum of its proper divisors (1).

111885414929 is an equidigital number, since it uses as much as digits as its factorization.

111885414929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 53.

The spelling of 111885414929 in words is "one hundred eleven billion, eight hundred eighty-five million, four hundred fourteen thousand, nine hundred twenty-nine".