11418573657 has 16 divisors (see below), whose sum is σ = 15312207680. Its totient is φ = 7568785152.

The previous prime is 11418573631. The next prime is 11418573667. The reversal of 11418573657 is 75637581411.

11418573657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11418573657 - 2¹¹ = 11418571609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11418573667) 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 15 ways as a sum of consecutive naturals, for example, 361533 + ... + 391845.

It is an arithmetic number, because the mean of its divisors is an integer number (957012980).

Almost surely, 2^11418573657 is an apocalyptic number.

It is an amenable number.

11418573657 is a deficient number, since it is larger than the sum of its proper divisors (3893634023).

11418573657 is a wasteful number, since it uses less digits than its factorization.

11418573657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31032.

The product of its digits is 705600, while the sum is 48.

The spelling of 11418573657 in words is "eleven billion, four hundred eighteen million, five hundred seventy-three thousand, six hundred fifty-seven".