1080785898503 has 4 divisors (see below), whose sum is σ = 1103781343200. Its totient is φ = 1057790453808.

The previous prime is 1080785898487. The next prime is 1080785898523. The reversal of 1080785898503 is 3058985870801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1080785898503 - 2⁴ = 1080785898487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080785898523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11497722278 + ... + 11497722371.

It is an arithmetic number, because the mean of its divisors is an integer number (275945335800).

Almost surely, 2^{1080785898503} is an apocalyptic number.

1080785898503 is a deficient number, since it is larger than the sum of its proper divisors (22995444697).

1080785898503 is an equidigital number, since it uses as much as digits as its factorization.

1080785898503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995444696.

The product of its (nonzero) digits is 19353600, while the sum is 62.

The spelling of 1080785898503 in words is "one trillion, eighty billion, seven hundred eighty-five million, eight hundred ninety-eight thousand, five hundred three".