1245455513355 has 16 divisors (see below), whose sum is σ = 1992837312000. Its totient is φ = 664206776928.

The previous prime is 1245455513329. The next prime is 1245455513369. The reversal of 1245455513355 is 5533155545421.

It is not a de Polignac number, because 1245455513355 - 2⁷ = 1245455513227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974355 + ... + 2527644.

It is an arithmetic number, because the mean of its divisors is an integer number (124552332000).

Almost surely, 2^{1245455513355} is an apocalyptic number.

1245455513355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245455513355 is a deficient number, since it is larger than the sum of its proper divisors (747381798645).

1245455513355 is a wasteful number, since it uses less digits than its factorization.

1245455513355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520450.

The product of its digits is 4500000, while the sum is 48.

The spelling of 1245455513355 in words is "one trillion, two hundred forty-five billion, four hundred fifty-five million, five hundred thirteen thousand, three hundred fifty-five".