11526779912 has 16 divisors (see below), whose sum is σ = 22552395840. Its totient is φ = 5512807696.

The previous prime is 11526779839. The next prime is 11526779917. The reversal of 11526779912 is 21997762511.

It is not an unprimeable number, because it can be changed into a prime (11526779917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31322588 + ... + 31322955.

It is an arithmetic number, because the mean of its divisors is an integer number (1409524740).

Almost surely, 2^11526779912 is an apocalyptic number.

It is an amenable number.

11526779912 is a deficient number, since it is larger than the sum of its proper divisors (11025615928).

11526779912 is a wasteful number, since it uses less digits than its factorization.

11526779912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62645572 (or 62645568 counting only the distinct ones).

The product of its digits is 476280, while the sum is 50.

The spelling of 11526779912 in words is "eleven billion, five hundred twenty-six million, seven hundred seventy-nine thousand, nine hundred twelve".