13250503506 has 32 divisors (see below), whose sum is σ = 27427714560. Its totient is φ = 4262526464.

The previous prime is 13250503493. The next prime is 13250503561. The reversal of 13250503506 is 60530505231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378751 + ... + 412253.

It is an arithmetic number, because the mean of its divisors is an integer number (857116080).

Almost surely, 2^13250503506 is an apocalyptic number.

13250503506 is an abundant number, since it is smaller than the sum of its proper divisors (14177211054).

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

13250503506 is a wasteful number, since it uses less digits than its factorization.

13250503506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35810.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 13250503506 in words is "thirteen billion, two hundred fifty million, five hundred three thousand, five hundred six".