100005055555500 has 288 divisors, whose sum is σ = 329362968916800. Its totient is φ = 26489030054400.

The previous prime is 100005055555463. The next prime is 100005055555511. The reversal of 100005055555500 is 5555550500001.

It is a happy number.

100005055555500 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 0 + 5 + 0 + 55 + 55 + 550 + 0 = 666.

It is a super-2 number, since 2×100005055555500² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15341464 + ... + 20865536.

It is an arithmetic number, because the mean of its divisors is an integer number (1143621419850).

Almost surely, 2^{100005055555500} is an apocalyptic number.

100005055555500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100005055555500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164681484458400).

100005055555500 is an abundant number, since it is smaller than the sum of its proper divisors (229357913361300).

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

100005055555500 is a wasteful number, since it uses less digits than its factorization.

100005055555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524256 (or 5524232 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 100005055555500 in words is "one hundred trillion, five billion, fifty-five million, five hundred fifty-five thousand, five hundred".