13530056015403 has 12 divisors (see below), whose sum is σ = 20572014994440. Its totient is φ = 8545298535936.

The previous prime is 13530056015393. The next prime is 13530056015407. The reversal of 13530056015403 is 30451065003531.

13530056015403 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 0 + 0 + 5 + 601 + 5 + 40 + 3 = 666.

It is not a de Polignac number, because 13530056015403 - 2²⁸ = 13529787579947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13530056015407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39561567126 + ... + 39561567467.

It is an arithmetic number, because the mean of its divisors is an integer number (1714334582870).

Almost surely, 2^{13530056015403} is an apocalyptic number.

13530056015403 is a deficient number, since it is larger than the sum of its proper divisors (7041958979037).

13530056015403 is a wasteful number, since it uses less digits than its factorization.

13530056015403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79123134618 (or 79123134615 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 13530056015403 in words is "thirteen trillion, five hundred thirty billion, fifty-six million, fifteen thousand, four hundred three".