100256727743556 has 24 divisors (see below), whose sum is σ = 234236568091680. Its totient is φ = 33375451625472.

The previous prime is 100256727743551. The next prime is 100256727743563. The reversal of 100256727743556 is 655347727652001.

It is a super-2 number, since 2×100256727743556² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100256727743556.

It is not an unprimeable number, because it can be changed into a prime (100256727743551) 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, 5432193186 + ... + 5432211641.

It is an arithmetic number, because the mean of its divisors is an integer number (9759857003820).

Almost surely, 2^{100256727743556} is an apocalyptic number.

It is an amenable number.

100256727743556 is an abundant number, since it is smaller than the sum of its proper divisors (133979840348124).

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

100256727743556 is a wasteful number, since it uses less digits than its factorization.

100256727743556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864405603 (or 10864405601 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 60.

The spelling of 100256727743556 in words is "one hundred trillion, two hundred fifty-six billion, seven hundred twenty-seven million, seven hundred forty-three thousand, five hundred fifty-six".