11457349857 has 16 divisors (see below), whose sum is σ = 16988271360. Its totient is φ = 7631744400.

The previous prime is 11457349853. The next prime is 11457349859. The reversal of 11457349857 is 75894375411.

11457349857 is a `hidden beast` number, since 1 + 14 + 573 + 4 + 9 + 8 + 57 = 666.

It is not a de Polignac number, because 11457349857 - 2² = 11457349853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11457349853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147769 + ... + 211542.

It is an arithmetic number, because the mean of its divisors is an integer number (1061766960).

Almost surely, 2^11457349857 is an apocalyptic number.

It is an amenable number.

11457349857 is a deficient number, since it is larger than the sum of its proper divisors (5530921503).

11457349857 is a wasteful number, since it uses less digits than its factorization.

11457349857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360501 (or 360495 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 11457349857 in words is "eleven billion, four hundred fifty-seven million, three hundred forty-nine thousand, eight hundred fifty-seven".