11454824957 has 4 divisors (see below), whose sum is σ = 11538436956. Its totient is φ = 11371212960.

The previous prime is 11454824951. The next prime is 11454824989. The reversal of 11454824957 is 75942845411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75942845411 = 71 ⋅1069617541.

It can be written as a sum of positive squares in 2 ways, for example, as 7656075001 + 3798749956 = 87499^2 + 61634^2 .

It is a cyclic number.

It is not a de Polignac number, because 11454824957 - 2⁸ = 11454824701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454824951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41805794 + ... + 41806067.

It is an arithmetic number, because the mean of its divisors is an integer number (2884609239).

Almost surely, 2^11454824957 is an apocalyptic number.

It is an amenable number.

11454824957 is a deficient number, since it is larger than the sum of its proper divisors (83611999).

11454824957 is an equidigital number, since it uses as much as digits as its factorization.

11454824957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83611998.

The product of its digits is 1612800, while the sum is 50.

The spelling of 11454824957 in words is "eleven billion, four hundred fifty-four million, eight hundred twenty-four thousand, nine hundred fifty-seven".