100549051600 has 30 divisors (see below), whose sum is σ = 241569097430. Its totient is φ = 40219620480.

The previous prime is 100549051549. The next prime is 100549051607. The reversal of 100549051600 is 6150945001.

It can be written as a sum of positive squares in 3 ways, for example, as 900240016 + 99648811584 = 30004^2 + 315672^2 .

It is a super-2 number, since 2×100549051600² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100549051607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125685915 + ... + 125686714.

Almost surely, 2^100549051600 is an apocalyptic number.

100549051600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100549051600 is an abundant number, since it is smaller than the sum of its proper divisors (141020045830).

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

100549051600 is a wasteful number, since it uses less digits than its factorization.

100549051600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251372647 (or 251372636 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 100549051600 its reverse (6150945001), we get a palindrome (106699996601).

The spelling of 100549051600 in words is "one hundred billion, five hundred forty-nine million, fifty-one thousand, six hundred".