13125415511312 has 40 divisors (see below), whose sum is σ = 27394809953280. Its totient is φ = 6056086700160.

The previous prime is 13125415511309. The next prime is 13125415511353. The reversal of 13125415511312 is 21311551452131.

It is a super-2 number, since 2×13125415511312² (a number of 27 digits) contains 22 as substring.

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, 8658512 + ... + 10060847.

It is an arithmetic number, because the mean of its divisors is an integer number (684870248832).

Almost surely, 2^{13125415511312} is an apocalyptic number.

It is an amenable number.

13125415511312 is an abundant number, since it is smaller than the sum of its proper divisors (14269394441968).

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

13125415511312 is a wasteful number, since it uses less digits than its factorization.

13125415511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18722751 (or 18722745 counting only the distinct ones).

The product of its digits is 18000, while the sum is 35.

Adding to 13125415511312 its reverse (21311551452131), we get a palindrome (34436966963443).

The spelling of 13125415511312 in words is "thirteen trillion, one hundred twenty-five billion, four hundred fifteen million, five hundred eleven thousand, three hundred twelve".