11323510641 has 8 divisors (see below), whose sum is σ = 16775571360. Its totient is φ = 7549007076.

The previous prime is 11323510633. The next prime is 11323510657. The reversal of 11323510641 is 14601532311.

It is a happy number.

11323510641 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 3 + 5 + 10 + 641 = 666.

It is not a de Polignac number, because 11323510641 - 2³ = 11323510633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 419389283 = 11323510641 / (1 + 1 + 3 + 2 + 3 + 5 + 1 + 0 + 6 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (11323510241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209694615 + ... + 209694668.

It is an arithmetic number, because the mean of its divisors is an integer number (2096946420).

Almost surely, 2^11323510641 is an apocalyptic number.

It is an amenable number.

11323510641 is a deficient number, since it is larger than the sum of its proper divisors (5452060719).

11323510641 is an equidigital number, since it uses as much as digits as its factorization.

11323510641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419389292 (or 419389286 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 11323510641 in words is "eleven billion, three hundred twenty-three million, five hundred ten thousand, six hundred forty-one".