11256215132112 has 40 divisors (see below), whose sum is σ = 29300529482400. Its totient is φ = 3723429939840.

The previous prime is 11256215132083. The next prime is 11256215132117. The reversal of 11256215132112 is 21123151265211.

11256215132112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11256215132112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256215132117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895048987 + ... + 895061562.

It is an arithmetic number, because the mean of its divisors is an integer number (732513237060).

Almost surely, 2^{11256215132112} is an apocalyptic number.

11256215132112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11256215132112 is an abundant number, since it is smaller than the sum of its proper divisors (18044314350288).

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

11256215132112 is a wasteful number, since it uses less digits than its factorization.

11256215132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790110691 (or 1790110685 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

Adding to 11256215132112 its reverse (21123151265211), we get a palindrome (32379366397323).

The spelling of 11256215132112 in words is "eleven trillion, two hundred fifty-six billion, two hundred fifteen million, one hundred thirty-two thousand, one hundred twelve".