1001055500100 has 108 divisors (see below), whose sum is σ = 3138027997104. Its totient is φ = 266924725440.

The previous prime is 1001055500099. The next prime is 1001055500119. The reversal of 1001055500100 is 10055501001.

1001055500100 is a `hidden beast` number, since 1 + 0 + 0 + 10 + 5 + 550 + 0 + 100 = 666.

1001055500100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001055500100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11826127 + ... + 11910473.

It is an arithmetic number, because the mean of its divisors is an integer number (29055814788).

Almost surely, 2^{1001055500100} is an apocalyptic number.

1001055500100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001055500100 is an abundant number, since it is smaller than the sum of its proper divisors (2136972497004).

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

1001055500100 is a wasteful number, since it uses less digits than its factorization.

1001055500100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97554 (or 97544 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Subtracting from 1001055500100 its reverse (10055501001), we obtain a palindrome (990999999099).

The spelling of 1001055500100 in words is "one trillion, one billion, fifty-five million, five hundred thousand, one hundred".