121359345875 has 16 divisors (see below), whose sum is σ = 151508144736. Its totient is φ = 97054348000.

The previous prime is 121359345871. The next prime is 121359345883. The reversal of 121359345875 is 578543953121.

It is not a de Polignac number, because 121359345875 - 2² = 121359345871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121359345871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205460 + ... + 533790.

It is an arithmetic number, because the mean of its divisors is an integer number (9469259046).

Almost surely, 2^121359345875 is an apocalyptic number.

121359345875 is a deficient number, since it is larger than the sum of its proper divisors (30148798861).

121359345875 is an equidigital number, since it uses as much as digits as its factorization.

121359345875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331303 (or 331293 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 53.

The spelling of 121359345875 in words is "one hundred twenty-one billion, three hundred fifty-nine million, three hundred forty-five thousand, eight hundred seventy-five".