11456312645 has 16 divisors (see below), whose sum is σ = 13838483568. Its totient is φ = 9104555520.

The previous prime is 11456312633. The next prime is 11456312653. The reversal of 11456312645 is 54621365411.

It can be written as a sum of positive squares in 8 ways, for example, as 1482096004 + 9974216641 = 38498^2 + 99871^2 .

It is not a de Polignac number, because 11456312645 - 2⁸ = 11456312389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11456312599 and 11456312608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895937 + ... + 908633.

It is an arithmetic number, because the mean of its divisors is an integer number (864905223).

Almost surely, 2^11456312645 is an apocalyptic number.

It is an amenable number.

11456312645 is a deficient number, since it is larger than the sum of its proper divisors (2382170923).

11456312645 is a wasteful number, since it uses less digits than its factorization.

11456312645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880.

The product of its digits is 86400, while the sum is 38.

The spelling of 11456312645 in words is "eleven billion, four hundred fifty-six million, three hundred twelve thousand, six hundred forty-five".