11597814887631 has 8 divisors (see below), whose sum is σ = 17672860781184. Its totient is φ = 6627322792920.

The previous prime is 11597814887611. The next prime is 11597814887641. The reversal of 11597814887631 is 13678841879511.

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

It is not a de Polignac number, because 11597814887631 - 2¹⁰ = 11597814886607 is a prime.

It is a super-2 number, since 2×11597814887631² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11597814887611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 276138449685 + ... + 276138449726.

It is an arithmetic number, because the mean of its divisors is an integer number (2209107597648).

Almost surely, 2^{11597814887631} is an apocalyptic number.

11597814887631 is a deficient number, since it is larger than the sum of its proper divisors (6075045893553).

11597814887631 is an equidigital number, since it uses as much as digits as its factorization.

11597814887631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552276899421.

The product of its digits is 81285120, while the sum is 69.

The spelling of 11597814887631 in words is "eleven trillion, five hundred ninety-seven billion, eight hundred fourteen million, eight hundred eighty-seven thousand, six hundred thirty-one".