13420125551 has 8 divisors (see below), whose sum is σ = 15341149824. Its totient is φ = 11500067160.

The previous prime is 13420125493. The next prime is 13420125557. The reversal of 13420125551 is 15552102431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13420125551 - 2⁶ = 13420125487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420125557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211445 + ... + 267486.

It is an arithmetic number, because the mean of its divisors is an integer number (1917643728).

Almost surely, 2^13420125551 is an apocalyptic number.

13420125551 is a deficient number, since it is larger than the sum of its proper divisors (1921024273).

13420125551 is an equidigital number, since it uses as much as digits as its factorization.

13420125551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482941.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 13420125551 its reverse (15552102431), we get a palindrome (28972227982).

The spelling of 13420125551 in words is "thirteen billion, four hundred twenty million, one hundred twenty-five thousand, five hundred fifty-one".