11426568780 has 48 divisors (see below), whose sum is σ = 34902975744. Its totient is φ = 2770077120.

The previous prime is 11426568773. The next prime is 11426568781. The reversal of 11426568780 is 8786562411.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11426568781) 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, 8655832 + ... + 8657151.

It is an arithmetic number, because the mean of its divisors is an integer number (727145328).

Almost surely, 2^11426568780 is an apocalyptic number.

11426568780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11426568780 is an abundant number, since it is smaller than the sum of its proper divisors (23476406964).

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

11426568780 is a wasteful number, since it uses less digits than its factorization.

11426568780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313006 (or 17313004 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 11426568780 in words is "eleven billion, four hundred twenty-six million, five hundred sixty-eight thousand, seven hundred eighty".