11051500010656 has 72 divisors (see below), whose sum is σ = 26182664080020. Its totient is φ = 4573034468352.

The previous prime is 11051500010611. The next prime is 11051500010659. The reversal of 11051500010656 is 65601000515011.

It can be written as a sum of positive squares in 2 ways, for example, as 10972550250256 + 78949760400 = 3312484^2 + 280980^2 .

It is a super-2 number, since 2×11051500010656² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11051500010659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 121474365 + ... + 121565308.

Almost surely, 2^{11051500010656} is an apocalyptic number.

11051500010656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11051500010656 is an abundant number, since it is smaller than the sum of its proper divisors (15131164069364).

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

11051500010656 is a wasteful number, since it uses less digits than its factorization.

11051500010656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243039726 (or 243039711 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 11051500010656 its reverse (65601000515011), we get a palindrome (76652500525667).

The spelling of 11051500010656 in words is "eleven trillion, fifty-one billion, five hundred million, ten thousand, six hundred fifty-six".