11051655156 has 72 divisors (see below), whose sum is σ = 28160463240. Its totient is φ = 3654383616.

The previous prime is 11051655091. The next prime is 11051655157. The reversal of 11051655156 is 65155615011.

It is a happy number.

11051655156 is a `hidden beast` number, since 1 + 1 + 0 + 51 + 6 + 551 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5833904400 + 5217750756 = 76380^2 + 72234^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11051655156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051655157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4571260 + ... + 4573676.

It is an arithmetic number, because the mean of its divisors is an integer number (391117545).

Almost surely, 2^11051655156 is an apocalyptic number.

It is an amenable number.

11051655156 is an abundant number, since it is smaller than the sum of its proper divisors (17108808084).

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

11051655156 is a wasteful number, since it uses less digits than its factorization.

11051655156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 11051655156 in words is "eleven billion, fifty-one million, six hundred fifty-five thousand, one hundred fifty-six".