1253415342250 has 32 divisors (see below), whose sum is σ = 2484416677392. Its totient is φ = 471874009600.

The previous prime is 1253415342229. The next prime is 1253415342259. The reversal of 1253415342250 is 522435143521.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 89383658841 + 1164031683409 = 298971^2 + 1078903^2 .

It is not an unprimeable number, because it can be changed into a prime (1253415342259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147456379 + ... + 147464878.

Almost surely, 2^{1253415342250} is an apocalyptic number.

1253415342250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253415342250 is a deficient number, since it is larger than the sum of its proper divisors (1231001335142).

1253415342250 is a wasteful number, since it uses less digits than its factorization.

1253415342250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294921291 (or 294921281 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1253415342250 in words is "one trillion, two hundred fifty-three billion, four hundred fifteen million, three hundred forty-two thousand, two hundred fifty".