13017761540 has 24 divisors (see below), whose sum is σ = 31242628032. Its totient is φ = 4463232480.

The previous prime is 13017761531. The next prime is 13017761639. The reversal of 13017761540 is 4516771031.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 13017761540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46491866 + ... + 46492145.

It is an arithmetic number, because the mean of its divisors is an integer number (1301776168).

Almost surely, 2^13017761540 is an apocalyptic number.

13017761540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13017761540 is an abundant number, since it is smaller than the sum of its proper divisors (18224866492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13017761540 is a wasteful number, since it uses less digits than its factorization.

13017761540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92984027 (or 92984025 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 13017761540 in words is "thirteen billion, seventeen million, seven hundred sixty-one thousand, five hundred forty".