101650205500 has 48 divisors (see below), whose sum is σ = 229659393600. Its totient is φ = 39258004800.

The previous prime is 101650205453. The next prime is 101650205507. The reversal of 101650205500 is 5502056101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101650205507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3490680 + ... + 3519679.

It is an arithmetic number, because the mean of its divisors is an integer number (4784570700).

Almost surely, 2^101650205500 is an apocalyptic number.

101650205500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101650205500 is an abundant number, since it is smaller than the sum of its proper divisors (128009188100).

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

101650205500 is a wasteful number, since it uses less digits than its factorization.

101650205500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010407 (or 7010395 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 101650205500 in words is "one hundred one billion, six hundred fifty million, two hundred five thousand, five hundred".