15125042303 has 4 divisors (see below), whose sum is σ = 17285762640. Its totient is φ = 12964321968.

The previous prime is 15125042279. The next prime is 15125042329. The reversal of 15125042303 is 30324052151.

It is a happy number.

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 15125042303 - 2²⁰ = 15123993727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15125042333) 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, 1080360158 + ... + 1080360171.

It is an arithmetic number, because the mean of its divisors is an integer number (4321440660).

Almost surely, 2^15125042303 is an apocalyptic number.

15125042303 is a deficient number, since it is larger than the sum of its proper divisors (2160720337).

15125042303 is an equidigital number, since it uses as much as digits as its factorization.

15125042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160720336.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 15125042303 its reverse (30324052151), we get a palindrome (45449094454).

The spelling of 15125042303 in words is "fifteen billion, one hundred twenty-five million, forty-two thousand, three hundred three".