1516789179013 has 4 divisors (see below), whose sum is σ = 1527701331520. Its totient is φ = 1505877026508.

The previous prime is 1516789179001. The next prime is 1516789179023. The reversal of 1516789179013 is 3109719876151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1516789179013 - 2³⁷ = 1379350225541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516789179023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456076045 + ... + 5456076322.

It is an arithmetic number, because the mean of its divisors is an integer number (381925332880).

Almost surely, 2^{1516789179013} is an apocalyptic number.

It is an amenable number.

1516789179013 is a deficient number, since it is larger than the sum of its proper divisors (10912152507).

1516789179013 is a wasteful number, since it uses less digits than its factorization.

1516789179013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912152506.

The product of its (nonzero) digits is 2857680, while the sum is 58.

The spelling of 1516789179013 in words is "one trillion, five hundred sixteen billion, seven hundred eighty-nine million, one hundred seventy-nine thousand, thirteen".