1245153516465 has 32 divisors (see below), whose sum is σ = 1994783535360. Its totient is φ = 663236315136.

The previous prime is 1245153516433. The next prime is 1245153516613. The reversal of 1245153516465 is 5646153515421.

It is not a de Polignac number, because 1245153516465 - 2⁵ = 1245153516433 is a prime.

It is a Curzon 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, 60249724 + ... + 60270386.

It is an arithmetic number, because the mean of its divisors is an integer number (62336985480).

Almost surely, 2^{1245153516465} is an apocalyptic number.

1245153516465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1245153516465 is a deficient number, since it is larger than the sum of its proper divisors (749630018895).

1245153516465 is a wasteful number, since it uses less digits than its factorization.

1245153516465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593.

The product of its digits is 2160000, while the sum is 48.

The spelling of 1245153516465 in words is "one trillion, two hundred forty-five billion, one hundred fifty-three million, five hundred sixteen thousand, four hundred sixty-five".