1253245305505 has 8 divisors (see below), whose sum is σ = 1504032619392. Its totient is φ = 1002504075888.

The previous prime is 1253245305493. The next prime is 1253245305523. The reversal of 1253245305505 is 5055035423521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253245305505 - 2²¹ = 1253243208353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11461209 + ... + 11570038.

It is an arithmetic number, because the mean of its divisors is an integer number (188004077424).

Almost surely, 2^{1253245305505} is an apocalyptic number.

It is an amenable number.

1253245305505 is a deficient number, since it is larger than the sum of its proper divisors (250787313887).

1253245305505 is a wasteful number, since it uses less digits than its factorization.

1253245305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23042135.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 1253245305505 in words is "one trillion, two hundred fifty-three billion, two hundred forty-five million, three hundred five thousand, five hundred five".