11548320457 has 8 divisors (see below), whose sum is σ = 11580371712. Its totient is φ = 11516294400.

The previous prime is 11548320451. The next prime is 11548320523. The reversal of 11548320457 is 75402384511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11548320457 - 2¹⁵ = 11548287689 is a prime.

It is a Duffinian number.

11548320457 is a modest number, since divided by 320457 gives 11548 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11548320451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239657 + ... + 1248937.

It is an arithmetic number, because the mean of its divisors is an integer number (1447546464).

Almost surely, 2^11548320457 is an apocalyptic number.

It is an amenable number.

11548320457 is a deficient number, since it is larger than the sum of its proper divisors (32051255).

11548320457 is an equidigital number, since it uses as much as digits as its factorization.

11548320457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12599.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 11548320457 in words is "eleven billion, five hundred forty-eight million, three hundred twenty thousand, four hundred fifty-seven".