11430756656 has 30 divisors (see below), whose sum is σ = 24163461252. Its totient is φ = 5195153760.

The previous prime is 11430756647. The next prime is 11430756671. The reversal of 11430756656 is 65665703411.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1414355 + ... + 1422413.

Almost surely, 2^11430756656 is an apocalyptic number.

11430756656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11430756656 is an abundant number, since it is smaller than the sum of its proper divisors (12732704596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11430756656 is an frugal number, since it uses more digits than its factorization.

11430756656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16137 (or 8072 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

Multiplying 11430756656 by its sum of digits (44), we get a square (502953292864 = 709192²).

11430756656 divided by its sum of digits (44) gives a square (259789924 = 16118²).

The spelling of 11430756656 in words is "eleven billion, four hundred thirty million, seven hundred fifty-six thousand, six hundred fifty-six".