15465017131012 has 24 divisors (see below), whose sum is σ = 27095402226816. Its totient is φ = 7723478884128.

The previous prime is 15465017130973. The next prime is 15465017131027. The reversal of 15465017131012 is 21013171056451.

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, 11167758 + ... + 12475930.

It is an arithmetic number, because the mean of its divisors is an integer number (1128975092784).

Almost surely, 2^{15465017131012} is an apocalyptic number.

It is an amenable number.

15465017131012 is a deficient number, since it is larger than the sum of its proper divisors (11630385095804).

15465017131012 is a wasteful number, since it uses less digits than its factorization.

15465017131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311627 (or 1311625 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

Adding to 15465017131012 its reverse (21013171056451), we get a palindrome (36478188187463).

The spelling of 15465017131012 in words is "fifteen trillion, four hundred sixty-five billion, seventeen million, one hundred thirty-one thousand, twelve".