11966763426 has 32 divisors (see below), whose sum is σ = 26288547840. Its totient is φ = 3614673744.

The previous prime is 11966763421. The next prime is 11966763427. The reversal of 11966763426 is 62436766911.

It is not an unprimeable number, because it can be changed into a prime (11966763421) 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, 2279370 + ... + 2284613.

It is an arithmetic number, because the mean of its divisors is an integer number (821517120).

Almost surely, 2^11966763426 is an apocalyptic number.

11966763426 is an abundant number, since it is smaller than the sum of its proper divisors (14321784414).

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

11966763426 is a wasteful number, since it uses less digits than its factorization.

11966763426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564030.

The product of its digits is 1959552, while the sum is 51.

The spelling of 11966763426 in words is "eleven billion, nine hundred sixty-six million, seven hundred sixty-three thousand, four hundred twenty-six".