100001060555550 has 384 divisors, whose sum is σ = 336694850150400. Its totient is φ = 19006964928000.

The previous prime is 100001060555497. The next prime is 100001060555623. The reversal of 100001060555550 is 55555060100001.

It is a super-2 number, since 2×100001060555550² (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 Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1492666 + ... + 14220765.

It is an arithmetic number, because the mean of its divisors is an integer number (876809505600).

Almost surely, 2^{100001060555550} is an apocalyptic number.

100001060555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100001060555550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168347425075200).

100001060555550 is an abundant number, since it is smaller than the sum of its proper divisors (236693789594850).

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

100001060555550 is a wasteful number, since it uses less digits than its factorization.

100001060555550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15713512 (or 15713507 counting only the distinct ones).

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

The spelling of 100001060555550 in words is "one hundred trillion, one billion, sixty million, five hundred fifty-five thousand, five hundred fifty".