117251025556051 has 4 divisors (see below), whose sum is σ = 117253895668272. Its totient is φ = 117248155443832.

The previous prime is 117251025555973. The next prime is 117251025556057. The reversal of 117251025556051 is 150655520152711.

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-117251025556051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117251025555992 and 117251025556010.

It is not an unprimeable number, because it can be changed into a prime (117251025556057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1434994831 + ... + 1435076536.

It is an arithmetic number, because the mean of its divisors is an integer number (29313473917068).

Almost surely, 2^{117251025556051} is an apocalyptic number.

117251025556051 is a deficient number, since it is larger than the sum of its proper divisors (2870112221).

117251025556051 is an equidigital number, since it uses as much as digits as its factorization.

117251025556051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870112220.

The product of its (nonzero) digits is 525000, while the sum is 46.

The spelling of 117251025556051 in words is "one hundred seventeen trillion, two hundred fifty-one billion, twenty-five million, five hundred fifty-six thousand, fifty-one".