101501665500 has 48 divisors (see below), whose sum is σ = 295572854304. Its totient is φ = 27067110400.

The previous prime is 101501665487. The next prime is 101501665513. The reversal of 101501665500 is 5566105101.

101501665500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (101501665487) and next prime (101501665513).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33832389 + ... + 33835388.

It is an arithmetic number, because the mean of its divisors is an integer number (6157767798).

Almost surely, 2^101501665500 is an apocalyptic number.

101501665500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101501665500 is an abundant number, since it is smaller than the sum of its proper divisors (194071188804).

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

101501665500 is a wasteful number, since it uses less digits than its factorization.

101501665500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67667799 (or 67667787 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 101501665500 in words is "one hundred one billion, five hundred one million, six hundred sixty-five thousand, five hundred".