1252344023215 has 16 divisors (see below), whose sum is σ = 1528653722400. Its totient is φ = 984656166912.

The previous prime is 1252344023209. The next prime is 1252344023219. The reversal of 1252344023215 is 5123204432521.

It is a cyclic number.

It is not a de Polignac number, because 1252344023215 - 2³¹ = 1250196539567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252344023219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714031 + ... + 1736239.

It is an arithmetic number, because the mean of its divisors is an integer number (95540857650).

Almost surely, 2^{1252344023215} is an apocalyptic number.

1252344023215 is a deficient number, since it is larger than the sum of its proper divisors (276309699185).

1252344023215 is a wasteful number, since it uses less digits than its factorization.

1252344023215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026426.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1252344023215 its reverse (5123204432521), we get a palindrome (6375548455736).

The spelling of 1252344023215 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, twenty-three thousand, two hundred fifteen".