11256216131292 has 24 divisors (see below), whose sum is σ = 28652186516352. Its totient is φ = 3410974585200.

The previous prime is 11256216131291. The next prime is 11256216131359. The reversal of 11256216131292 is 29213161265211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256216131291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42637182184 + ... + 42637182447.

It is an arithmetic number, because the mean of its divisors is an integer number (1193841104848).

Almost surely, 2^{11256216131292} is an apocalyptic number.

11256216131292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11256216131292 is an abundant number, since it is smaller than the sum of its proper divisors (17395970385060).

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

11256216131292 is a wasteful number, since it uses less digits than its factorization.

11256216131292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85274364649 (or 85274364647 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The spelling of 11256216131292 in words is "eleven trillion, two hundred fifty-six billion, two hundred sixteen million, one hundred thirty-one thousand, two hundred ninety-two".