15125819983 has 4 divisors (see below), whose sum is σ = 15131410360. Its totient is φ = 15120229608.

The previous prime is 15125819977. The next prime is 15125819993. The reversal of 15125819983 is 38991852151.

It is a happy number.

15125819983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 15125819983 - 2²⁹ = 14588949071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15125819983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125819903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791128 + ... + 2796541.

It is an arithmetic number, because the mean of its divisors is an integer number (3782852590).

Almost surely, 2^15125819983 is an apocalyptic number.

15125819983 is a deficient number, since it is larger than the sum of its proper divisors (5590377).

15125819983 is an equidigital number, since it uses as much as digits as its factorization.

15125819983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590376.

The product of its digits is 777600, while the sum is 52.

The spelling of 15125819983 in words is "fifteen billion, one hundred twenty-five million, eight hundred nineteen thousand, nine hundred eighty-three".