11457817057 has 8 divisors (see below), whose sum is σ = 12585245760. Its totient is φ = 10382826960.

The previous prime is 11457817039. The next prime is 11457817067. The reversal of 11457817057 is 75071875411.

It is a happy number.

11457817057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11457817057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11457816998 and 11457817016.

It is not an unprimeable number, because it can be changed into a prime (11457817067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13109194 + ... + 13110067.

It is an arithmetic number, because the mean of its divisors is an integer number (1573155720).

Almost surely, 2^11457817057 is an apocalyptic number.

It is an amenable number.

11457817057 is a deficient number, since it is larger than the sum of its proper divisors (1127428703).

11457817057 is a wasteful number, since it uses less digits than its factorization.

11457817057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26219303.

The product of its (nonzero) digits is 274400, while the sum is 46.

The spelling of 11457817057 in words is "eleven billion, four hundred fifty-seven million, eight hundred seventeen thousand, fifty-seven".