11982975226 has 8 divisors (see below), whose sum is σ = 17975642580. Its totient is φ = 5991094368.

The previous prime is 11982975211. The next prime is 11982975227. The reversal of 11982975226 is 62257928911.

It can be written as a sum of positive squares in 2 ways, for example, as 6864288201 + 5118687025 = 82851^2 + 71545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11982975227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156931 + ... + 220438.

Almost surely, 2^11982975226 is an apocalyptic number.

11982975226 is a deficient number, since it is larger than the sum of its proper divisors (5992667354).

11982975226 is a wasteful number, since it uses less digits than its factorization.

11982975226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393248.

The product of its digits is 1088640, while the sum is 52.

The spelling of 11982975226 in words is "eleven billion, nine hundred eighty-two million, nine hundred seventy-five thousand, two hundred twenty-six".