105503052600 has 288 divisors, whose sum is σ = 394752234240. Its totient is φ = 25032096000.

The previous prime is 105503052593. The next prime is 105503052619. The reversal of 105503052600 is 6250305501.

105503052600 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 0 + 3 + 0 + 52 + 600 = 666.

It is a super-2 number, since 2×105503052600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 873915 + ... + 987285.

It is an arithmetic number, because the mean of its divisors is an integer number (1370667480).

Almost surely, 2^105503052600 is an apocalyptic number.

105503052600 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 105503052600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197376117120).

105503052600 is an abundant number, since it is smaller than the sum of its proper divisors (289249181640).

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

105503052600 is a wasteful number, since it uses less digits than its factorization.

105503052600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113451 (or 113439 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 105503052600 in words is "one hundred five billion, five hundred three million, fifty-two thousand, six hundred".