1140971284681 has 4 divisors (see below), whose sum is σ = 1141051881600. Its totient is φ = 1140890687764.

The previous prime is 1140971284669. The next prime is 1140971284699. The reversal of 1140971284681 is 1864821790411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1140971284681 - 2⁹ = 1140971284169 is a prime.

It is a super-2 number, since 2×1140971284681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140971284781) 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, 40277221 + ... + 40305538.

It is an arithmetic number, because the mean of its divisors is an integer number (285262970400).

Almost surely, 2^{1140971284681} is an apocalyptic number.

It is an amenable number.

1140971284681 is a deficient number, since it is larger than the sum of its proper divisors (80596919).

1140971284681 is an equidigital number, since it uses as much as digits as its factorization.

1140971284681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80596918.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 1140971284681 in words is "one trillion, one hundred forty billion, nine hundred seventy-one million, two hundred eighty-four thousand, six hundred eighty-one".