13122401525 has 24 divisors (see below), whose sum is σ = 17026838784. Its totient is φ = 10020067200.

The previous prime is 13122401503. The next prime is 13122401573. The reversal of 13122401525 is 52510422131.

It is not a de Polignac number, because 13122401525 - 2¹⁴ = 13122385141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13122401494 and 13122401503.

It is a congruent 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, 59399 + ... + 172548.

It is an arithmetic number, because the mean of its divisors is an integer number (709451616).

Almost surely, 2^13122401525 is an apocalyptic number.

It is an amenable number.

13122401525 is a deficient number, since it is larger than the sum of its proper divisors (3904437259).

13122401525 is a wasteful number, since it uses less digits than its factorization.

13122401525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232061 (or 232056 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 13122401525 its reverse (52510422131), we get a palindrome (65632823656).

The spelling of 13122401525 in words is "thirteen billion, one hundred twenty-two million, four hundred one thousand, five hundred twenty-five".