11215600220628 has 24 divisors (see below), whose sum is σ = 29077482053760. Its totient is φ = 3738533406840.

The previous prime is 11215600220621. The next prime is 11215600220653. The reversal of 11215600220628 is 82602200651211.

11215600220628 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 5 + 6 + 0 + 0 + 2 + 20 + 628 = 666.

It is a super-3 number, since 3×11215600220628³ (a number of 40 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11215600220592 and 11215600220601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215600220621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51924074988 + ... + 51924075203.

It is an arithmetic number, because the mean of its divisors is an integer number (1211561752240).

Almost surely, 2^{11215600220628} is an apocalyptic number.

11215600220628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11215600220628 is an abundant number, since it is smaller than the sum of its proper divisors (17861881833132).

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

11215600220628 is a wasteful number, since it uses less digits than its factorization.

11215600220628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103848150204 (or 103848150196 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 11215600220628 its reverse (82602200651211), we get a palindrome (93817800871839).

The spelling of 11215600220628 in words is "eleven trillion, two hundred fifteen billion, six hundred million, two hundred twenty thousand, six hundred twenty-eight".