1080512731391 has 2 divisors, whose sum is σ = 1080512731392. Its totient is φ = 1080512731390.

The previous prime is 1080512731379. The next prime is 1080512731399. The reversal of 1080512731391 is 1931372150801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080512731391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080512731399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540256365695 + 540256365696.

It is an arithmetic number, because the mean of its divisors is an integer number (540256365696).

Almost surely, 2^{1080512731391} is an apocalyptic number.

1080512731391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080512731391 is an equidigital number, since it uses as much as digits as its factorization.

1080512731391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 1080512731391 in words is "one trillion, eighty billion, five hundred twelve million, seven hundred thirty-one thousand, three hundred ninety-one".