11612415520431 has 24 divisors (see below), whose sum is σ = 18314941522176. Its totient is φ = 7031446898640.

The previous prime is 11612415520421. The next prime is 11612415520441. The reversal of 11612415520431 is 13402551421611.

11612415520431 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 2 + 415 + 5 + 204 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (11612415520421) and next prime (11612415520441).

It is not a de Polignac number, because 11612415520431 - 2¹³ = 11612415512239 is a prime.

It is a super-2 number, since 2×11612415520431² (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 (11612415520421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53062665 + ... + 53281058.

It is an arithmetic number, because the mean of its divisors is an integer number (763122563424).

Almost surely, 2^{11612415520431} is an apocalyptic number.

11612415520431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11612415520431 is a deficient number, since it is larger than the sum of its proper divisors (6702526001745).

11612415520431 is a wasteful number, since it uses less digits than its factorization.

11612415520431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106344843 (or 106344840 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 11612415520431 in words is "eleven trillion, six hundred twelve billion, four hundred fifteen million, five hundred twenty thousand, four hundred thirty-one".