11895473718957 has 4 divisors (see below), whose sum is σ = 15860631625280. Its totient is φ = 7930315812636.

The previous prime is 11895473718901. The next prime is 11895473718979. The reversal of 11895473718957 is 75981737459811.

11895473718957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11895473718957 - 2⁸ = 11895473718701 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 (11895473710957) 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, 1982578953157 + ... + 1982578953162.

It is an arithmetic number, because the mean of its divisors is an integer number (3965157906320).

Almost surely, 2^{11895473718957} is an apocalyptic number.

It is an amenable number.

11895473718957 is a deficient number, since it is larger than the sum of its proper divisors (3965157906323).

11895473718957 is an equidigital number, since it uses as much as digits as its factorization.

11895473718957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965157906322.

The product of its digits is 533433600, while the sum is 75.

The spelling of 11895473718957 in words is "eleven trillion, eight hundred ninety-five billion, four hundred seventy-three million, seven hundred eighteen thousand, nine hundred fifty-seven".