11464235613 has 20 divisors (see below), whose sum is σ = 17234685820. Its totient is φ = 7594134912.

The previous prime is 11464235593. The next prime is 11464235681. The reversal of 11464235613 is 31653246411.

11464235613 is a `hidden beast` number, since 1 + 1 + 4 + 6 + 4 + 2 + 35 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7847656569 + 3616579044 = 88587^2 + 60138^2 .

It is not a de Polignac number, because 11464235613 - 2¹² = 11464231517 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 (11464235513) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 438028 + ... + 463461.

It is an arithmetic number, because the mean of its divisors is an integer number (861734291).

Almost surely, 2^11464235613 is an apocalyptic number.

It is an amenable number.

11464235613 is a deficient number, since it is larger than the sum of its proper divisors (5770450207).

11464235613 is an equidigital number, since it uses as much as digits as its factorization.

11464235613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901658 (or 901649 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 11464235613 in words is "eleven billion, four hundred sixty-four million, two hundred thirty-five thousand, six hundred thirteen".