13415112566523 has 48 divisors (see below), whose sum is σ = 20656635012000. Its totient is φ = 8360143488000.

The previous prime is 13415112566521. The next prime is 13415112566543. The reversal of 13415112566523 is 32566521151431.

It is a happy number.

13415112566523 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 5 + 112 + 5 + 6 + 6 + 523 = 666.

It is not a de Polignac number, because 13415112566523 - 2¹ = 13415112566521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13415112566521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530040393 + ... + 530065701.

It is an arithmetic number, because the mean of its divisors is an integer number (430346562750).

Almost surely, 2^{13415112566523} is an apocalyptic number.

13415112566523 is a deficient number, since it is larger than the sum of its proper divisors (7241522445477).

13415112566523 is a wasteful number, since it uses less digits than its factorization.

13415112566523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48732 (or 48729 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 13415112566523 in words is "thirteen trillion, four hundred fifteen billion, one hundred twelve million, five hundred sixty-six thousand, five hundred twenty-three".