15013115145 has 96 divisors (see below), whose sum is σ = 31945056000. Its totient is φ = 6501793536.

The previous prime is 15013115093. The next prime is 15013115149. The reversal of 15013115145 is 54151131051.

15013115145 is a `hidden beast` number, since 1 + 501 + 3 + 1 + 15 + 145 = 666.

It is not a de Polignac number, because 15013115145 - 2⁶ = 15013115081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15013115149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267669 + ... + 318861.

It is an arithmetic number, because the mean of its divisors is an integer number (332761000).

Almost surely, 2^15013115145 is an apocalyptic number.

15013115145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15013115145 is an abundant number, since it is smaller than the sum of its proper divisors (16931940855).

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

15013115145 is a wasteful number, since it uses less digits than its factorization.

15013115145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51244 (or 51227 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 15013115145 its reverse (54151131051), we get a palindrome (69164246196).

The spelling of 15013115145 in words is "fifteen billion, thirteen million, one hundred fifteen thousand, one hundred forty-five".