1517131253343 has 32 divisors (see below), whose sum is σ = 2073965064192. Its totient is φ = 986030258400.

The previous prime is 1517131253329. The next prime is 1517131253369. The reversal of 1517131253343 is 3433521317151.

It is not a de Polignac number, because 1517131253343 - 2⁸ = 1517131253087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1517131254343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139295928 + ... + 139306818.

It is an arithmetic number, because the mean of its divisors is an integer number (64811408256).

Almost surely, 2^{1517131253343} is an apocalyptic number.

1517131253343 is a deficient number, since it is larger than the sum of its proper divisors (556833810849).

1517131253343 is a wasteful number, since it uses less digits than its factorization.

1517131253343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715.

The product of its digits is 113400, while the sum is 39.

The spelling of 1517131253343 in words is "one trillion, five hundred seventeen billion, one hundred thirty-one million, two hundred fifty-three thousand, three hundred forty-three".