11601431415 has 64 divisors (see below), whose sum is σ = 23584619520. Its totient is φ = 5300484480.

The previous prime is 11601431399. The next prime is 11601431417. The reversal of 11601431415 is 51413410611.

11601431415 is a `hidden beast` number, since 1 + 1 + 601 + 43 + 1 + 4 + 15 = 666.

It is not a de Polignac number, because 11601431415 - 2⁴ = 11601431399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601431417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3274545 + ... + 3278085.

It is an arithmetic number, because the mean of its divisors is an integer number (368509680).

Almost surely, 2^11601431415 is an apocalyptic number.

11601431415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11601431415 is an abundant number, since it is smaller than the sum of its proper divisors (11983188105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11601431415 is a wasteful number, since it uses less digits than its factorization.

11601431415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7029 (or 7023 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 11601431415 in words is "eleven billion, six hundred one million, four hundred thirty-one thousand, four hundred fifteen".