11617171572151 has 4 divisors (see below), whose sum is σ = 11736936227632. Its totient is φ = 11497406916672.

The previous prime is 11617171572119. The next prime is 11617171572161. The reversal of 11617171572151 is 15127517171611.

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

It is a cyclic number.

It is not a de Polignac number, because 11617171572151 - 2⁵ = 11617171572119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617171572161) 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, 59882327595 + ... + 59882327788.

It is an arithmetic number, because the mean of its divisors is an integer number (2934234056908).

Almost surely, 2^{11617171572151} is an apocalyptic number.

11617171572151 is a deficient number, since it is larger than the sum of its proper divisors (119764655481).

11617171572151 is an equidigital number, since it uses as much as digits as its factorization.

11617171572151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119764655480.

The product of its digits is 102900, while the sum is 46.

The spelling of 11617171572151 in words is "eleven trillion, six hundred seventeen billion, one hundred seventy-one million, five hundred seventy-two thousand, one hundred fifty-one".