13662120315 has 48 divisors (see below), whose sum is σ = 22891867488. Its totient is φ = 6955213824.

The previous prime is 13662120293. The next prime is 13662120337. The reversal of 13662120315 is 51302126631.

It is an interprime number because it is at equal distance from previous prime (13662120293) and next prime (13662120337).

It is not a de Polignac number, because 13662120315 - 2¹⁵ = 13662087547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1082079 + ... + 1094631.

It is an arithmetic number, because the mean of its divisors is an integer number (476913906).

Almost surely, 2^13662120315 is an apocalyptic number.

13662120315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13662120315 is a deficient number, since it is larger than the sum of its proper divisors (9229747173).

13662120315 is a wasteful number, since it uses less digits than its factorization.

13662120315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12688 (or 12651 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 13662120315 its reverse (51302126631), we get a palindrome (64964246946).

The spelling of 13662120315 in words is "thirteen billion, six hundred sixty-two million, one hundred twenty thousand, three hundred fifteen".