15325421243234 has 8 divisors (see below), whose sum is σ = 23246425481580. Its totient is φ = 7576612749376.

The previous prime is 15325421243219. The next prime is 15325421243261. The reversal of 15325421243234 is 43234212452351.

It can be written as a sum of positive squares in 2 ways, for example, as 14875176217225 + 450245026009 = 3856835^2 + 671003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15325421243191 and 15325421243200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43048935899 + ... + 43048936254.

Almost surely, 2^{15325421243234} is an apocalyptic number.

15325421243234 is a deficient number, since it is larger than the sum of its proper divisors (7921004238346).

15325421243234 is an equidigital number, since it uses as much as digits as its factorization.

15325421243234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86097872244.

The product of its digits is 691200, while the sum is 41.

Adding to 15325421243234 its reverse (43234212452351), we get a palindrome (58559633695585).

The spelling of 15325421243234 in words is "fifteen trillion, three hundred twenty-five billion, four hundred twenty-one million, two hundred forty-three thousand, two hundred thirty-four".