101047628585 has 4 divisors (see below), whose sum is σ = 121257154308. Its totient is φ = 80838102864.

The previous prime is 101047628581. The next prime is 101047628599. The reversal of 101047628585 is 585826740101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37182251929 + 63865376656 = 192827^2 + 252716^2 .

It is a cyclic number.

It is not a de Polignac number, because 101047628585 - 2² = 101047628581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101047628581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10104762854 + ... + 10104762863.

It is an arithmetic number, because the mean of its divisors is an integer number (30314288577).

Almost surely, 2^101047628585 is an apocalyptic number.

It is an amenable number.

101047628585 is a deficient number, since it is larger than the sum of its proper divisors (20209525723).

101047628585 is an equidigital number, since it uses as much as digits as its factorization.

101047628585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20209525722.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 101047628585 in words is "one hundred one billion, forty-seven million, six hundred twenty-eight thousand, five hundred eighty-five".