11645364465 has 64 divisors (see below), whose sum is σ = 23762419200. Its totient is φ = 5300646912.

The previous prime is 11645364449. The next prime is 11645364503. The reversal of 11645364465 is 56446354611.

11645364465 is a `hidden beast` number, since 1 + 16 + 4 + 536 + 44 + 65 = 666.

11645364465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11645364465 - 2⁴ = 11645364449 is a prime.

It is a super-2 number, since 2×11645364465² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11645364465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193741 + ... + 246629.

It is an arithmetic number, because the mean of its divisors is an integer number (371287800).

Almost surely, 2^11645364465 is an apocalyptic number.

11645364465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11645364465 is an abundant number, since it is smaller than the sum of its proper divisors (12117054735).

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

11645364465 is a wasteful number, since it uses less digits than its factorization.

11645364465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53143 (or 53137 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 11645364465 in words is "eleven billion, six hundred forty-five million, three hundred sixty-four thousand, four hundred sixty-five".