100001055605550 has 96 divisors (see below), whose sum is σ = 282311280564480. Its totient is φ = 23188650566400.

The previous prime is 100001055605543. The next prime is 100001055605587. The reversal of 100001055605550 is 55506550100001.

It is a super-2 number, since 2×100001055605550² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1317499015 + ... + 1317574914.

It is an arithmetic number, because the mean of its divisors is an integer number (2940742505880).

Almost surely, 2^{100001055605550} is an apocalyptic number.

100001055605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001055605550 is an abundant number, since it is smaller than the sum of its proper divisors (182310224958930).

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

100001055605550 is a wasteful number, since it uses less digits than its factorization.

100001055605550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635073978 (or 2635073973 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 100001055605550 in words is "one hundred trillion, one billion, fifty-five million, six hundred five thousand, five hundred fifty".