1318580421125 has 16 divisors (see below), whose sum is σ = 1795187309760. Its totient is φ = 958967578000.

The previous prime is 1318580421101. The next prime is 1318580421149. The reversal of 1318580421125 is 5211240858131.

It is an interprime number because it is at equal distance from previous prime (1318580421101) and next prime (1318580421149).

It is not a de Polignac number, because 1318580421125 - 2²⁶ = 1318513312261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479482415 + ... + 479485164.

It is an arithmetic number, because the mean of its divisors is an integer number (112199206860).

Almost surely, 2^{1318580421125} is an apocalyptic number.

It is an amenable number.

1318580421125 is a deficient number, since it is larger than the sum of its proper divisors (476606888635).

1318580421125 is an equidigital number, since it uses as much as digits as its factorization.

1318580421125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958967605 (or 958967595 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 1318580421125 in words is "one trillion, three hundred eighteen billion, five hundred eighty million, four hundred twenty-one thousand, one hundred twenty-five".