11426979452 has 24 divisors (see below), whose sum is σ = 23228617440. Its totient is φ = 4816992960.

The previous prime is 11426979379. The next prime is 11426979461. The reversal of 11426979452 is 25497962411.

It is a self number, because there is not a number n which added to its sum of digits gives 11426979452.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3343427 + ... + 3346842.

It is an arithmetic number, because the mean of its divisors is an integer number (967859060).

Almost surely, 2^11426979452 is an apocalyptic number.

It is an amenable number.

11426979452 is an abundant number, since it is smaller than the sum of its proper divisors (11801637988).

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

11426979452 is a wasteful number, since it uses less digits than its factorization.

11426979452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690341 (or 6690339 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 11426979452 in words is "eleven billion, four hundred twenty-six million, nine hundred seventy-nine thousand, four hundred fifty-two".