1080512731386 has 24 divisors (see below), whose sum is σ = 2553939183744. Its totient is φ = 327428100360.

The previous prime is 1080512731379. The next prime is 1080512731391. The reversal of 1080512731386 is 6831372150801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2728567306 + ... + 2728567701.

It is an arithmetic number, because the mean of its divisors is an integer number (106414132656).

Almost surely, 2^{1080512731386} is an apocalyptic number.

1080512731386 is an abundant number, since it is smaller than the sum of its proper divisors (1473426452358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1080512731386 is a wasteful number, since it uses less digits than its factorization.

1080512731386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457135026 (or 5457135023 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 1080512731386 in words is "one trillion, eighty billion, five hundred twelve million, seven hundred thirty-one thousand, three hundred eighty-six".