11659291698431 has 32 divisors (see below), whose sum is σ = 13456299467520. Its totient is φ = 10006284916224.

The previous prime is 11659291698421. The next prime is 11659291698469. The reversal of 11659291698431 is 13489619295611.

It is not a de Polignac number, because 11659291698431 - 2¹⁴ = 11659291682047 is a prime.

It is a super-2 number, since 2×11659291698431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11659291698421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223079780 + ... + 223132038.

It is an arithmetic number, because the mean of its divisors is an integer number (420509358360).

Almost surely, 2^{11659291698431} is an apocalyptic number.

11659291698431 is a deficient number, since it is larger than the sum of its proper divisors (1797007769089).

11659291698431 is a wasteful number, since it uses less digits than its factorization.

11659291698431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64535.

The product of its digits is 25194240, while the sum is 65.

The spelling of 11659291698431 in words is "eleven trillion, six hundred fifty-nine billion, two hundred ninety-one million, six hundred ninety-eight thousand, four hundred thirty-one".