11720795268259 has 16 divisors (see below), whose sum is σ = 14617045808640. Its totient is φ = 9130520813760.

The previous prime is 11720795268229. The next prime is 11720795268283. The reversal of 11720795268259 is 95286259702711.

It is a cyclic number.

It is not a de Polignac number, because 11720795268259 - 2⁵ = 11720795268227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11720795268259.

It is not an unprimeable number, because it can be changed into a prime (11720795268229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21110914 + ... + 21658999.

It is an arithmetic number, because the mean of its divisors is an integer number (913565363040).

Almost surely, 2^{11720795268259} is an apocalyptic number.

11720795268259 is a deficient number, since it is larger than the sum of its proper divisors (2896250540381).

11720795268259 is a wasteful number, since it uses less digits than its factorization.

11720795268259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42773490.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 11720795268259 in words is "eleven trillion, seven hundred twenty billion, seven hundred ninety-five million, two hundred sixty-eight thousand, two hundred fifty-nine".