101725502672506 has 4 divisors (see below), whose sum is σ = 152588254008762. Its totient is φ = 50862751336252.

The previous prime is 101725502672503. The next prime is 101725502672513. The reversal of 101725502672506 is 605276205527101.

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

It can be written as a sum of positive squares in only one way, i.e., 99130797038025 + 2594705634481 = 9956445^2 + 1610809^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101725502672506.

It is not an unprimeable number, because it can be changed into a prime (101725502672501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25431375668125 + ... + 25431375668128.

Almost surely, 2^{101725502672506} is an apocalyptic number.

101725502672506 is a deficient number, since it is larger than the sum of its proper divisors (50862751336256).

101725502672506 is an equidigital number, since it uses as much as digits as its factorization.

101725502672506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50862751336255.

The product of its (nonzero) digits is 1764000, while the sum is 49.

It can be divided in two parts, 10172550 and 2672506, that added together give a square (12845056 = 3584²).

The spelling of 101725502672506 in words is "one hundred one trillion, seven hundred twenty-five billion, five hundred two million, six hundred seventy-two thousand, five hundred six".