431121265113625 has 16 divisors (see below), whose sum is σ = 550551881632896. Its totient is φ = 336876151340400.

The previous prime is 431121265113593. The next prime is 431121265113731. The reversal of 431121265113625 is 526311562121134.

It is not a de Polignac number, because 431121265113625 - 2⁵ = 431121265113593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian 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, 40104298357 + ... + 40104309106.

It is an arithmetic number, because the mean of its divisors is an integer number (34409492602056).

Almost surely, 2^{431121265113625} is an apocalyptic number.

It is an amenable number.

431121265113625 is a deficient number, since it is larger than the sum of its proper divisors (119430616519271).

431121265113625 is an equidigital number, since it uses as much as digits as its factorization.

431121265113625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80208607521 (or 80208607511 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 431121265113625 in words is "four hundred thirty-one trillion, one hundred twenty-one billion, two hundred sixty-five million, one hundred thirteen thousand, six hundred twenty-five".