1253340133215 has 32 divisors (see below), whose sum is σ = 2050537337856. Its totient is φ = 653418783360.

The previous prime is 1253340133189. The next prime is 1253340133259. The reversal of 1253340133215 is 5123310433521.

It is not a de Polignac number, because 1253340133215 - 2¹⁵ = 1253340100447 is a prime.

It is a super-2 number, since 2×1253340133215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524292 + ... + 1667801.

It is an arithmetic number, because the mean of its divisors is an integer number (64079291808).

Almost surely, 2^{1253340133215} is an apocalyptic number.

1253340133215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253340133215 is a deficient number, since it is larger than the sum of its proper divisors (797197204641).

1253340133215 is a wasteful number, since it uses less digits than its factorization.

1253340133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192959.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 1253340133215 its reverse (5123310433521), we get a palindrome (6376650566736).

The spelling of 1253340133215 in words is "one trillion, two hundred fifty-three billion, three hundred forty million, one hundred thirty-three thousand, two hundred fifteen".