11023642705 has 8 divisors (see below), whose sum is σ = 13228958952. Its totient is φ = 8818522368.

The previous prime is 11023642667. The next prime is 11023642723. The reversal of 11023642705 is 50724632011.

It can be written as a sum of positive squares in 4 ways, for example, as 539725824 + 10483916881 = 23232^2 + 102391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11023642705 - 2⁷ = 11023642577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143817 + ... + 206713.

It is an arithmetic number, because the mean of its divisors is an integer number (1653619869).

Almost surely, 2^11023642705 is an apocalyptic number.

It is an amenable number.

11023642705 is a deficient number, since it is larger than the sum of its proper divisors (2205316247).

11023642705 is an equidigital number, since it uses as much as digits as its factorization.

11023642705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97955.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 11023642705 in words is "eleven billion, twenty-three million, six hundred forty-two thousand, seven hundred five".