1081761767253 has 16 divisors (see below), whose sum is σ = 1602650136960. Its totient is φ = 721156461408.

The previous prime is 1081761767237. The next prime is 1081761767279. The reversal of 1081761767253 is 3527671671801.

1081761767253 is a `hidden beast` number, since 1 + 0 + 8 + 17 + 617 + 6 + 7 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 1081761767253 - 2⁴ = 1081761767237 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081761767253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081761767293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645001 + ... + 1606097.

It is an arithmetic number, because the mean of its divisors is an integer number (100165633560).

Almost surely, 2^{1081761767253} is an apocalyptic number.

It is an amenable number.

1081761767253 is a deficient number, since it is larger than the sum of its proper divisors (520888369707).

1081761767253 is an equidigital number, since it uses as much as digits as its factorization.

1081761767253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002793 (or 1002787 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 1081761767253 in words is "one trillion, eighty-one billion, seven hundred sixty-one million, seven hundred sixty-seven thousand, two hundred fifty-three".