13421515315 has 16 divisors (see below), whose sum is σ = 17412238368. Its totient is φ = 9872695296.

The previous prime is 13421515307. The next prime is 13421515333. The reversal of 13421515315 is 51351512431.

It is a cyclic number.

It is not a de Polignac number, because 13421515315 - 2³ = 13421515307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385017 + ... + 418426.

It is an arithmetic number, because the mean of its divisors is an integer number (1088264898).

Almost surely, 2^13421515315 is an apocalyptic number.

13421515315 is a deficient number, since it is larger than the sum of its proper divisors (3990723053).

13421515315 is a wasteful number, since it uses less digits than its factorization.

13421515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803718.

The product of its digits is 9000, while the sum is 31.

The spelling of 13421515315 in words is "thirteen billion, four hundred twenty-one million, five hundred fifteen thousand, three hundred fifteen".