13400315515 has 8 divisors (see below), whose sum is σ = 16081360848. Its totient is φ = 10719597600.

The previous prime is 13400315479. The next prime is 13400315543. The reversal of 13400315515 is 51551300431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13400315515 - 2⁷ = 13400315387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19629 + ... + 164881.

It is an arithmetic number, because the mean of its divisors is an integer number (2010170106).

Almost surely, 2^13400315515 is an apocalyptic number.

13400315515 is a deficient number, since it is larger than the sum of its proper divisors (2681045333).

13400315515 is a wasteful number, since it uses less digits than its factorization.

13400315515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163709.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 13400315515 its reverse (51551300431), we get a palindrome (64951615946).

The spelling of 13400315515 in words is "thirteen billion, four hundred million, three hundred fifteen thousand, five hundred fifteen".