121189080054265 has 24 divisors (see below), whose sum is σ = 155586305624328. Its totient is φ = 90590366304000.

The previous prime is 121189080054253. The next prime is 121189080054281. The reversal of 121189080054265 is 562450080981121.

It can be written as a sum of positive squares in 4 ways, for example, as 55056874881024 + 66132205173241 = 7420032^2 + 8132171^2 .

It is not a de Polignac number, because 121189080054265 - 2⁵ = 121189080054233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459736486 + ... + 460000015.

It is an arithmetic number, because the mean of its divisors is an integer number (6482762734347).

Almost surely, 2^{121189080054265} is an apocalyptic number.

It is an amenable number.

121189080054265 is a deficient number, since it is larger than the sum of its proper divisors (34397225570063).

121189080054265 is an equidigital number, since it uses as much as digits as its factorization.

121189080054265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919736617 (or 919736598 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 121189080054265 in words is "one hundred twenty-one trillion, one hundred eighty-nine billion, eighty million, fifty-four thousand, two hundred sixty-five".