11705707990 has 16 divisors (see below), whose sum is σ = 21072214800. Its totient is φ = 4681852000.

The previous prime is 11705707963. The next prime is 11705707991. The reversal of 11705707990 is 9970750711.

It is a self number, because there is not a number n which added to its sum of digits gives 11705707990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11705707991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74736 + ... + 170284.

It is an arithmetic number, because the mean of its divisors is an integer number (1317013425).

Almost surely, 2^11705707990 is an apocalyptic number.

11705707990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11705707990 is a deficient number, since it is larger than the sum of its proper divisors (9366506810).

11705707990 is a wasteful number, since it uses less digits than its factorization.

11705707990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107807.

The product of its (nonzero) digits is 138915, while the sum is 46.

The spelling of 11705707990 in words is "eleven billion, seven hundred five million, seven hundred seven thousand, nine hundred ninety".