13117427541 has 12 divisors (see below), whose sum is σ = 19350532032. Its totient is φ = 8558888616.

The previous prime is 13117427527. The next prime is 13117427563. The reversal of 13117427541 is 14572471131.

13117427541 is a `hidden beast` number, since 1 + 311 + 74 + 275 + 4 + 1 = 666.

It is not a de Polignac number, because 13117427541 - 2⁵ = 13117427509 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13117427496 and 13117427505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117427591) 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, 15504811 + ... + 15505656.

It is an arithmetic number, because the mean of its divisors is an integer number (1612544336).

Almost surely, 2^13117427541 is an apocalyptic number.

It is an amenable number.

13117427541 is a deficient number, since it is larger than the sum of its proper divisors (6233104491).

13117427541 is a wasteful number, since it uses less digits than its factorization.

13117427541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31010520 (or 31010517 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

Adding to 13117427541 its reverse (14572471131), we get a palindrome (27689898672).

The spelling of 13117427541 in words is "thirteen billion, one hundred seventeen million, four hundred twenty-seven thousand, five hundred forty-one".