11321742805 has 16 divisors (see below), whose sum is σ = 13626264960. Its totient is φ = 9030650688.

The previous prime is 11321742797. The next prime is 11321742827. The reversal of 11321742805 is 50824712311.

It is a cyclic number.

It is not a de Polignac number, because 11321742805 - 2³ = 11321742797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4256566 + ... + 4259224.

It is an arithmetic number, because the mean of its divisors is an integer number (851641560).

Almost surely, 2^11321742805 is an apocalyptic number.

It is an amenable number.

11321742805 is a deficient number, since it is larger than the sum of its proper divisors (2304522155).

11321742805 is a wasteful number, since it uses less digits than its factorization.

11321742805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 11321742805 in words is "eleven billion, three hundred twenty-one million, seven hundred forty-two thousand, eight hundred five".