1252450251315 has 32 divisors (see below), whose sum is σ = 2357553418560. Its totient is φ = 628680909312.

The previous prime is 1252450251307. The next prime is 1252450251347. The reversal of 1252450251315 is 5131520542521.

1252450251315 is a `hidden beast` number, since 1 + 2 + 52 + 45 + 0 + 251 + 315 = 666.

It is not a de Polignac number, because 1252450251315 - 2³ = 1252450251307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252450251315.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272862684 + ... + 272867273.

It is an arithmetic number, because the mean of its divisors is an integer number (73673544330).

Almost surely, 2^{1252450251315} is an apocalyptic number.

1252450251315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252450251315 is a deficient number, since it is larger than the sum of its proper divisors (1105103167245).

1252450251315 is a wasteful number, since it uses less digits than its factorization.

1252450251315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545729988 (or 545729982 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 1252450251315 its reverse (5131520542521), we get a palindrome (6383970793836).

The spelling of 1252450251315 in words is "one trillion, two hundred fifty-two billion, four hundred fifty million, two hundred fifty-one thousand, three hundred fifteen".