101550625565 has 16 divisors (see below), whose sum is σ = 125646624576. Its totient is φ = 78745430400.

The previous prime is 101550625559. The next prime is 101550625591. The reversal of 101550625565 is 565526055101.

It is a happy number.

It is not a de Polignac number, because 101550625565 - 2²⁴ = 101533848349 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 1774616 + ... + 1830945.

It is an arithmetic number, because the mean of its divisors is an integer number (7852914036).

Almost surely, 2^101550625565 is an apocalyptic number.

It is an amenable number.

101550625565 is a deficient number, since it is larger than the sum of its proper divisors (24095999011).

101550625565 is a wasteful number, since it uses less digits than its factorization.

101550625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605740.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 101550625565 in words is "one hundred one billion, five hundred fifty million, six hundred twenty-five thousand, five hundred sixty-five".