15351332345 has 4 divisors (see below), whose sum is σ = 18421598820. Its totient is φ = 12281065872.

The previous prime is 15351332329. The next prime is 15351332363. The reversal of 15351332345 is 54323315351.

It is a happy number.

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 6938223616 + 8413108729 = 83296^2 + 91723^2 .

It is a cyclic number.

It is not a de Polignac number, because 15351332345 - 2⁴ = 15351332329 is a prime.

It is an unprimeable number.

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, 1535133230 + ... + 1535133239.

It is an arithmetic number, because the mean of its divisors is an integer number (4605399705).

Almost surely, 2^15351332345 is an apocalyptic number.

It is an amenable number.

15351332345 is a deficient number, since it is larger than the sum of its proper divisors (3070266475).

15351332345 is an equidigital number, since it uses as much as digits as its factorization.

15351332345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070266474.

The product of its digits is 81000, while the sum is 35.

Adding to 15351332345 its reverse (54323315351), we get a palindrome (69674647696).

The spelling of 15351332345 in words is "fifteen billion, three hundred fifty-one million, three hundred thirty-two thousand, three hundred forty-five".