125515253352 has 32 divisors (see below), whose sum is σ = 314053901280. Its totient is φ = 41802982080.

The previous prime is 125515253317. The next prime is 125515253359. The reversal of 125515253352 is 253352515521.

It is a self number, because there is not a number n which added to its sum of digits gives 125515253352.

It is not an unprimeable number, because it can be changed into a prime (125515253359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185798 + ... + 2242485.

It is an arithmetic number, because the mean of its divisors is an integer number (9814184415).

Almost surely, 2^125515253352 is an apocalyptic number.

125515253352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125515253352 is an abundant number, since it is smaller than the sum of its proper divisors (188538647928).

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

125515253352 is a wasteful number, since it uses less digits than its factorization.

125515253352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429473 (or 4429469 counting only the distinct ones).

The product of its digits is 225000, while the sum is 39.

Adding to 125515253352 its reverse (253352515521), we get a palindrome (378867768873).

The spelling of 125515253352 in words is "one hundred twenty-five billion, five hundred fifteen million, two hundred fifty-three thousand, three hundred fifty-two".