1100297082681 has 20 divisors (see below), whose sum is σ = 1646502356532. Its totient is φ = 732260072448.

The previous prime is 1100297082659. The next prime is 1100297082737. The reversal of 1100297082681 is 1862807920011.

It can be written as a sum of positive squares in 2 ways, for example, as 927975789225 + 172321293456 = 963315^2 + 415116^2 .

It is not a de Polignac number, because 1100297082681 - 2³¹ = 1098149599033 is a prime.

It is a super-2 number, since 2×1100297082681² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1100297082281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11724420 + ... + 11817893.

Almost surely, 2^{1100297082681} is an apocalyptic number.

It is an amenable number.

1100297082681 is a deficient number, since it is larger than the sum of its proper divisors (546205273851).

1100297082681 is an equidigital number, since it uses as much as digits as its factorization.

1100297082681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23542902 (or 23542893 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 1100297082681 in words is "one trillion, one hundred billion, two hundred ninety-seven million, eighty-two thousand, six hundred eighty-one".