17136397679231 has 4 divisors (see below), whose sum is σ = 17190455716392. Its totient is φ = 17082339642072.

The previous prime is 17136397679197. The next prime is 17136397679267. The reversal of 17136397679231 is 13297679363171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17136397679231 is a prime.

It is a super-2 number, since 2×17136397679231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17136397679281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27029018105 + ... + 27029018738.

It is an arithmetic number, because the mean of its divisors is an integer number (4297613929098).

Almost surely, 2^{17136397679231} is an apocalyptic number.

17136397679231 is a deficient number, since it is larger than the sum of its proper divisors (54058037161).

17136397679231 is an equidigital number, since it uses as much as digits as its factorization.

17136397679231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54058037160.

The product of its digits is 54010152, while the sum is 65.

The spelling of 17136397679231 in words is "seventeen trillion, one hundred thirty-six billion, three hundred ninety-seven million, six hundred seventy-nine thousand, two hundred thirty-one".