13681792215 has 80 divisors (see below), whose sum is σ = 30185779008. Its totient is φ = 5773400064.

The previous prime is 13681792199. The next prime is 13681792237. The reversal of 13681792215 is 51229718631.

13681792215 is a `hidden beast` number, since 1 + 368 + 1 + 79 + 2 + 215 = 666.

It is not a de Polignac number, because 13681792215 - 2⁴ = 13681792199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 148762 + ... + 222471.

Almost surely, 2^13681792215 is an apocalyptic number.

13681792215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13681792215 is an abundant number, since it is smaller than the sum of its proper divisors (16503986793).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13681792215 is a wasteful number, since it uses less digits than its factorization.

13681792215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371270 (or 371261 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 13681792215 in words is "thirteen billion, six hundred eighty-one million, seven hundred ninety-two thousand, two hundred fifteen".