13515043342 has 8 divisors (see below), whose sum is σ = 20529180000. Its totient is φ = 6671983344.

The previous prime is 13515043261. The next prime is 13515043369. The reversal of 13515043342 is 24334051531.

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

It is a super-2 number, since 2×13515043342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42768967 + ... + 42769282.

It is an arithmetic number, because the mean of its divisors is an integer number (2566147500).

Almost surely, 2^13515043342 is an apocalyptic number.

13515043342 is a deficient number, since it is larger than the sum of its proper divisors (7014136658).

13515043342 is an equidigital number, since it uses as much as digits as its factorization.

13515043342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85538330.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13515043342 its reverse (24334051531), we get a palindrome (37849094873).

The spelling of 13515043342 in words is "thirteen billion, five hundred fifteen million, forty-three thousand, three hundred forty-two".