11811936522 has 16 divisors (see below), whose sum is σ = 23626619712. Its totient is φ = 3936854400.

The previous prime is 11811936509. The next prime is 11811936527. The reversal of 11811936522 is 22563911811.

It is not an unprimeable number, because it can be changed into a prime (11811936527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56263 + ... + 163674.

It is an arithmetic number, because the mean of its divisors is an integer number (1476663732).

Almost surely, 2^11811936522 is an apocalyptic number.

11811936522 is an abundant number, since it is smaller than the sum of its proper divisors (11814683190).

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

11811936522 is a wasteful number, since it uses less digits than its factorization.

11811936522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228893.

The product of its digits is 25920, while the sum is 39.

The spelling of 11811936522 in words is "eleven billion, eight hundred eleven million, nine hundred thirty-six thousand, five hundred twenty-two".