11326256465 has 32 divisors (see below), whose sum is σ = 13988782080. Its totient is φ = 8801118144.

The previous prime is 11326256449. The next prime is 11326256479. The reversal of 11326256465 is 56465262311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11326256465 - 2⁴ = 11326256449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6793562 + ... + 6795228.

It is an arithmetic number, because the mean of its divisors is an integer number (437149440).

Almost surely, 2^11326256465 is an apocalyptic number.

It is an amenable number.

11326256465 is a deficient number, since it is larger than the sum of its proper divisors (2662525615).

11326256465 is a wasteful number, since it uses less digits than its factorization.

11326256465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its digits is 259200, while the sum is 41.

The spelling of 11326256465 in words is "eleven billion, three hundred twenty-six million, two hundred fifty-six thousand, four hundred sixty-five".