13015650540 has 24 divisors (see below), whose sum is σ = 36443821680. Its totient is φ = 3470840128.

The previous prime is 13015650539. The next prime is 13015650569. The reversal of 13015650540 is 4505651031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13015650498 and 13015650507.

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, 108463695 + ... + 108463814.

It is an arithmetic number, because the mean of its divisors is an integer number (1518492570).

Almost surely, 2^13015650540 is an apocalyptic number.

13015650540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13015650540 is an abundant number, since it is smaller than the sum of its proper divisors (23428171140).

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

13015650540 is a wasteful number, since it uses less digits than its factorization.

13015650540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216927521 (or 216927519 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13015650540 in words is "thirteen billion, fifteen million, six hundred fifty thousand, five hundred forty".