13420255025 has 12 divisors (see below), whose sum is σ = 16643351424. Its totient is φ = 10734762000.

The previous prime is 13420255021. The next prime is 13420255033. The reversal of 13420255025 is 52055202431.

It is not a de Polignac number, because 13420255025 - 2² = 13420255021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420255021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178940 + ... + 242610.

It is an arithmetic number, because the mean of its divisors is an integer number (1386945952).

Almost surely, 2^13420255025 is an apocalyptic number.

It is an amenable number.

13420255025 is a deficient number, since it is larger than the sum of its proper divisors (3223096399).

13420255025 is an equidigital number, since it uses as much as digits as its factorization.

13420255025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72112 (or 72107 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 13420255025 its reverse (52055202431), we get a palindrome (65475457456).

The spelling of 13420255025 in words is "thirteen billion, four hundred twenty million, two hundred fifty-five thousand, twenty-five".