10984986765 has 24 divisors (see below), whose sum is σ = 19056132888. Its totient is φ = 5853893760.

The previous prime is 10984986703. The next prime is 10984986769. The reversal of 10984986765 is 56768948901.

It can be written as a sum of positive squares in 4 ways, for example, as 2106259236 + 8878727529 = 45894^2 + 94227^2 .

It is not a de Polignac number, because 10984986765 - 2⁹ = 10984986253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10984986769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43006 + ... + 154335.

It is an arithmetic number, because the mean of its divisors is an integer number (794005537).

Almost surely, 2^10984986765 is an apocalyptic number.

10984986765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10984986765 is a deficient number, since it is larger than the sum of its proper divisors (8071146123).

10984986765 is a wasteful number, since it uses less digits than its factorization.

10984986765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198589 (or 198586 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 10984986765 in words is "ten billion, nine hundred eighty-four million, nine hundred eighty-six thousand, seven hundred sixty-five".