11974745826 has 24 divisors (see below), whose sum is σ = 26174891340. Its totient is φ = 3956257536.

The previous prime is 11974745791. The next prime is 11974745857. The reversal of 11974745826 is 62854747911.

11974745826 is a `hidden beast` number, since 1 + 1 + 97 + 474 + 5 + 82 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10888713801 + 1086032025 = 104349^2 + 32955^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2941611 + ... + 2945678.

Almost surely, 2^11974745826 is an apocalyptic number.

11974745826 is an abundant number, since it is smaller than the sum of its proper divisors (14200145514).

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

11974745826 is a wasteful number, since it uses less digits than its factorization.

11974745826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5887410 (or 5887407 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 11974745826 in words is "eleven billion, nine hundred seventy-four million, seven hundred forty-five thousand, eight hundred twenty-six".