15325150212420 has 384 divisors, whose sum is σ = 46974863609856. Its totient is φ = 3718721470464.

The previous prime is 15325150212409. The next prime is 15325150212431. The reversal of 15325150212420 is 2421205152351.

It is an interprime number because it is at equal distance from previous prime (15325150212409) and next prime (15325150212431).

It is a super-2 number, since 2×15325150212420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 795399627 + ... + 795418893.

It is an arithmetic number, because the mean of its divisors is an integer number (122330373984).

Almost surely, 2^{15325150212420} is an apocalyptic number.

15325150212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15325150212420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23487431804928).

15325150212420 is an abundant number, since it is smaller than the sum of its proper divisors (31649713397436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15325150212420 is a wasteful number, since it uses less digits than its factorization.

15325150212420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19579 (or 19577 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 15325150212420 its reverse (2421205152351), we get a palindrome (17746355364771).

The spelling of 15325150212420 in words is "fifteen trillion, three hundred twenty-five billion, one hundred fifty million, two hundred twelve thousand, four hundred twenty".