104117121826251 has 8 divisors (see below), whose sum is σ = 140778080216064. Its totient is φ = 68433788993640.

The previous prime is 104117121826247. The next prime is 104117121826297. The reversal of 104117121826251 is 152628121711401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104117121826251 - 2² = 104117121826247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104117121826241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244406389051 + ... + 244406389476.

It is an arithmetic number, because the mean of its divisors is an integer number (17597260027008).

Almost surely, 2^{104117121826251} is an apocalyptic number.

104117121826251 is a deficient number, since it is larger than the sum of its proper divisors (36660958389813).

104117121826251 is an equidigital number, since it uses as much as digits as its factorization.

104117121826251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488812778601.

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 104117121826251 in words is "one hundred four trillion, one hundred seventeen billion, one hundred twenty-one million, eight hundred twenty-six thousand, two hundred fifty-one".