201072505600 has 54 divisors (see below), whose sum is σ = 497685884780. Its totient is φ = 80428999680.

The previous prime is 201072505589. The next prime is 201072505609. The reversal of 201072505600 is 6505270102.

It is not an unprimeable number, because it can be changed into a prime (201072505609) 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, 15702390 + ... + 15715189.

Almost surely, 2^201072505600 is an apocalyptic number.

201072505600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201072505600 is an abundant number, since it is smaller than the sum of its proper divisors (296613379180).

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

201072505600 is an equidigital number, since it uses as much as digits as its factorization.

201072505600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31417605 (or 31417586 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 201072505600 its reverse (6505270102), we get a palindrome (207577775702).

The spelling of 201072505600 in words is "two hundred one billion, seventy-two million, five hundred five thousand, six hundred".