100005455500 has 24 divisors (see below), whose sum is σ = 218411915904. Its totient is φ = 40002182000.

The previous prime is 100005455497. The next prime is 100005455527. The reversal of 100005455500 is 5554500001.

It is a super-2 number, since 2×100005455500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100004956 + ... + 100005955.

It is an arithmetic number, because the mean of its divisors is an integer number (9100496496).

Almost surely, 2^100005455500 is an apocalyptic number.

100005455500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100005455500 is an abundant number, since it is smaller than the sum of its proper divisors (118406460404).

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

100005455500 is a wasteful number, since it uses less digits than its factorization.

100005455500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200010930 (or 200010918 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 100005455500 its reverse (5554500001), we get a palindrome (105559955501).

The spelling of 100005455500 in words is "one hundred billion, five million, four hundred fifty-five thousand, five hundred".