1215331150325 has 24 divisors (see below), whose sum is σ = 1510185225888. Its totient is φ = 970217801280.

The previous prime is 1215331150291. The next prime is 1215331150333. The reversal of 1215331150325 is 5230511335121.

It is not a de Polignac number, because 1215331150325 - 2²² = 1215326956021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215331150291 and 1215331150300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59790614 + ... + 59810936.

It is an arithmetic number, because the mean of its divisors is an integer number (62924384412).

Almost surely, 2^{1215331150325} is an apocalyptic number.

It is an amenable number.

1215331150325 is a deficient number, since it is larger than the sum of its proper divisors (294854075563).

1215331150325 is a wasteful number, since it uses less digits than its factorization.

1215331150325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25253 (or 25248 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 1215331150325 its reverse (5230511335121), we get a palindrome (6445842485446).

The spelling of 1215331150325 in words is "one trillion, two hundred fifteen billion, three hundred thirty-one million, one hundred fifty thousand, three hundred twenty-five".