13501240125 has 32 divisors (see below), whose sum is σ = 23190795264. Its totient is φ = 6968376000.

The previous prime is 13501240117. The next prime is 13501240141. The reversal of 13501240125 is 52104210531.

It is a happy number.

It is not a de Polignac number, because 13501240125 - 2³ = 13501240117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13501240095 and 13501240104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569074 + ... + 592323.

It is an arithmetic number, because the mean of its divisors is an integer number (724712352).

Almost surely, 2^13501240125 is an apocalyptic number.

13501240125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13501240125 is a deficient number, since it is larger than the sum of its proper divisors (9689555139).

13501240125 is a wasteful number, since it uses less digits than its factorization.

13501240125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161446 (or 1161436 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 13501240125 its reverse (52104210531), we get a palindrome (65605450656).

The spelling of 13501240125 in words is "thirteen billion, five hundred one million, two hundred forty thousand, one hundred twenty-five".