10990716705 has 24 divisors (see below), whose sum is σ = 19171929192. Its totient is φ = 5824376064.

The previous prime is 10990716703. The next prime is 10990716749. The reversal of 10990716705 is 50761709901.

It can be written as a sum of positive squares in 4 ways, for example, as 1623767616 + 9366949089 = 40296^2 + 96783^2 .

It is not a de Polignac number, because 10990716705 - 2¹ = 10990716703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10990716703) 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, 770764 + ... + 784893.

It is an arithmetic number, because the mean of its divisors is an integer number (798830383).

Almost surely, 2^10990716705 is an apocalyptic number.

10990716705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10990716705 is a deficient number, since it is larger than the sum of its proper divisors (8181212487).

10990716705 is a wasteful number, since it uses less digits than its factorization.

10990716705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555825 (or 1555822 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The spelling of 10990716705 in words is "ten billion, nine hundred ninety million, seven hundred sixteen thousand, seven hundred five".