11902579252 has 12 divisors (see below), whose sum is σ = 20833380036. Its totient is φ = 5950184960.

The previous prime is 11902579211. The next prime is 11902579259. The reversal of 11902579252 is 25297520911.

11902579252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10033227556 + 1869351696 = 100166^2 + 43236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11902579199 and 11902579208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11902579259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251683 + ... + 295210.

It is an arithmetic number, because the mean of its divisors is an integer number (1736115003).

Almost surely, 2^11902579252 is an apocalyptic number.

It is an amenable number.

11902579252 is a deficient number, since it is larger than the sum of its proper divisors (8930800784).

11902579252 is a wasteful number, since it uses less digits than its factorization.

11902579252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552338 (or 552336 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 11902579252 in words is "eleven billion, nine hundred two million, five hundred seventy-nine thousand, two hundred fifty-two".