12525105315 has 16 divisors (see below), whose sum is σ = 20048749056. Its totient is φ = 6677196000.

The previous prime is 12525105277. The next prime is 12525105319. The reversal of 12525105315 is 51350152521.

It is not a de Polignac number, because 12525105315 - 2¹² = 12525101219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12525105319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142321 + ... + 212850.

It is an arithmetic number, because the mean of its divisors is an integer number (1253046816).

Almost surely, 2^12525105315 is an apocalyptic number.

12525105315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12525105315 is a deficient number, since it is larger than the sum of its proper divisors (7523643741).

12525105315 is a wasteful number, since it uses less digits than its factorization.

12525105315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357530.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 12525105315 its reverse (51350152521), we get a palindrome (63875257836).

The spelling of 12525105315 in words is "twelve billion, five hundred twenty-five million, one hundred five thousand, three hundred fifteen".