11628827225781 has 32 divisors (see below), whose sum is σ = 16336785024000. Its totient is φ = 7337493646848.

The previous prime is 11628827225731. The next prime is 11628827225803. The reversal of 11628827225781 is 18752272882611.

It is not a de Polignac number, because 11628827225781 - 2¹⁵ = 11628827193013 is a prime.

It is a super-2 number, since 2×11628827225781² (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 (11628827225731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697456261 + ... + 697472933.

It is an arithmetic number, because the mean of its divisors is an integer number (510524532000).

Almost surely, 2^{11628827225781} is an apocalyptic number.

It is an amenable number.

11628827225781 is a deficient number, since it is larger than the sum of its proper divisors (4707957798219).

11628827225781 is a wasteful number, since it uses less digits than its factorization.

11628827225781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673.

The product of its digits is 12042240, while the sum is 60.

The spelling of 11628827225781 in words is "eleven trillion, six hundred twenty-eight billion, eight hundred twenty-seven million, two hundred twenty-five thousand, seven hundred eighty-one".