11966763425 has 6 divisors (see below), whose sum is σ = 14838786678. Its totient is φ = 9573410720.

The previous prime is 11966763421. The next prime is 11966763427. The reversal of 11966763425 is 52436766911.

It can be written as a sum of positive squares in 3 ways, for example, as 1441644961 + 10525118464 = 37969^2 + 102592^2 .

It is not a de Polignac number, because 11966763425 - 2² = 11966763421 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 239335244 + ... + 239335293.

It is an arithmetic number, because the mean of its divisors is an integer number (2473131113).

Almost surely, 2^11966763425 is an apocalyptic number.

It is an amenable number.

11966763425 is a deficient number, since it is larger than the sum of its proper divisors (2872023253).

11966763425 is an equidigital number, since it uses as much as digits as its factorization.

11966763425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478670547 (or 478670542 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The spelling of 11966763425 in words is "eleven billion, nine hundred sixty-six million, seven hundred sixty-three thousand, four hundred twenty-five".