100508400032550 has 24 divisors (see below), whose sum is σ = 249260832081096. Its totient is φ = 26802240008640.

The previous prime is 100508400032479. The next prime is 100508400032581. The reversal of 100508400032550 is 55230004805001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335027999959 + ... + 335028000258.

It is an arithmetic number, because the mean of its divisors is an integer number (10385868003379).

Almost surely, 2^{100508400032550} is an apocalyptic number.

100508400032550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100508400032550 is an abundant number, since it is smaller than the sum of its proper divisors (148752432048546).

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

100508400032550 is a wasteful number, since it uses less digits than its factorization.

100508400032550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670056000232 (or 670056000227 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 100508400032550 its reverse (55230004805001), we get a palindrome (155738404837551).

The spelling of 100508400032550 in words is "one hundred trillion, five hundred eight billion, four hundred million, thirty-two thousand, five hundred fifty".