15103320425 has 6 divisors (see below), whose sum is σ = 18728117358. Its totient is φ = 12082656320.

The previous prime is 15103320403. The next prime is 15103320451. The reversal of 15103320425 is 52402330151.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1186871401 + 13916449024 = 34451^2 + 117968^2 .

It is not a de Polignac number, because 15103320425 - 2⁶ = 15103320361 is a prime.

It is a super-2 number, since 2×15103320425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15103320394 and 15103320403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302066384 + ... + 302066433.

It is an arithmetic number, because the mean of its divisors is an integer number (3121352893).

Almost surely, 2^15103320425 is an apocalyptic number.

It is an amenable number.

15103320425 is a deficient number, since it is larger than the sum of its proper divisors (3624796933).

15103320425 is an equidigital number, since it uses as much as digits as its factorization.

15103320425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604132827 (or 604132822 counting only the distinct ones).

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

Adding to 15103320425 its reverse (52402330151), we get a palindrome (67505650576).

The spelling of 15103320425 in words is "fifteen billion, one hundred three million, three hundred twenty thousand, four hundred twenty-five".