11430165556 has 24 divisors (see below), whose sum is σ = 20215467720. Its totient is φ = 5654400000.

The previous prime is 11430165503. The next prime is 11430165581. The reversal of 11430165556 is 65556103411.

It can be written as a sum of positive squares in 4 ways, for example, as 1287661456 + 10142504100 = 35884^2 + 100710^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592056 + ... + 611056.

It is an arithmetic number, because the mean of its divisors is an integer number (842311155).

Almost surely, 2^11430165556 is an apocalyptic number.

It is an amenable number.

11430165556 is a deficient number, since it is larger than the sum of its proper divisors (8785302164).

11430165556 is a wasteful number, since it uses less digits than its factorization.

11430165556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595 (or 20593 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 11430165556 its reverse (65556103411), we get a palindrome (76986268967).

The spelling of 11430165556 in words is "eleven billion, four hundred thirty million, one hundred sixty-five thousand, five hundred fifty-six".