13015120506 has 32 divisors (see below), whose sum is σ = 26433699840. Its totient is φ = 4271341824.

The previous prime is 13015120477. The next prime is 13015120529. The reversal of 13015120506 is 60502151031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223111 + ... + 275333.

It is an arithmetic number, because the mean of its divisors is an integer number (826053120).

Almost surely, 2^13015120506 is an apocalyptic number.

13015120506 is an abundant number, since it is smaller than the sum of its proper divisors (13418579334).

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

13015120506 is a wasteful number, since it uses less digits than its factorization.

13015120506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52870.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 13015120506 its reverse (60502151031), we get a palindrome (73517271537).

The spelling of 13015120506 in words is "thirteen billion, fifteen million, one hundred twenty thousand, five hundred six".