11154263556 has 24 divisors (see below), whose sum is σ = 26319051360. Its totient is φ = 3676311232.

The previous prime is 11154263507. The next prime is 11154263573. The reversal of 11154263556 is 65536245111.

It is an unprimeable number.

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, 5220966 + ... + 5223101.

It is an arithmetic number, because the mean of its divisors is an integer number (1096627140).

Almost surely, 2^11154263556 is an apocalyptic number.

It is an amenable number.

11154263556 is an abundant number, since it is smaller than the sum of its proper divisors (15164787804).

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

11154263556 is a wasteful number, since it uses less digits than its factorization.

11154263556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444163 (or 10444161 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 11154263556 in words is "eleven billion, one hundred fifty-four million, two hundred sixty-three thousand, five hundred fifty-six".