11256351255 has 24 divisors (see below), whose sum is σ = 20140398720. Its totient is φ = 5809728960.

The previous prime is 11256351229. The next prime is 11256351263. The reversal of 11256351255 is 55215365211.

11256351255 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 635 + 12 + 5 + 5 = 666.

It is not a de Polignac number, because 11256351255 - 2²¹ = 11254254103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4033140 + ... + 4035929.

It is an arithmetic number, because the mean of its divisors is an integer number (839183280).

Almost surely, 2^11256351255 is an apocalyptic number.

11256351255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11256351255 is a deficient number, since it is larger than the sum of its proper divisors (8884047465).

11256351255 is a wasteful number, since it uses less digits than its factorization.

11256351255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8069111 (or 8069108 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 11256351255 in words is "eleven billion, two hundred fifty-six million, three hundred fifty-one thousand, two hundred fifty-five".