100551056055100 has 36 divisors (see below), whose sum is σ = 249366619018384. Its totient is φ = 34474647790080.

The previous prime is 100551056055053. The next prime is 100551056055101. The reversal of 100551056055100 is 1550650155001.

It is a super-2 number, since 2×100551056055100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100551056055101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71822182197 + ... + 71822183596.

Almost surely, 2^{100551056055100} is an apocalyptic number.

100551056055100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100551056055100 is an abundant number, since it is smaller than the sum of its proper divisors (148815562963284).

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

100551056055100 is a wasteful number, since it uses less digits than its factorization.

100551056055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143644365814 (or 143644365807 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 100551056055100 in words is "one hundred trillion, five hundred fifty-one billion, fifty-six million, fifty-five thousand, one hundred".