10720111565 has 16 divisors (see below), whose sum is σ = 13248696960. Its totient is φ = 8321008320.

The previous prime is 10720111537. The next prime is 10720111601. The reversal of 10720111565 is 56511102701.

It is not a de Polignac number, because 10720111565 - 2⁸ = 10720111309 is a prime.

It is a super-2 number, since 2×10720111565² (a number of 21 digits) contains 22 as substring.

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, 14291 + ... + 147120.

It is an arithmetic number, because the mean of its divisors is an integer number (828043560).

Almost surely, 2^10720111565 is an apocalyptic number.

It is an amenable number.

10720111565 is a deficient number, since it is larger than the sum of its proper divisors (2528585395).

10720111565 is a wasteful number, since it uses less digits than its factorization.

10720111565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161812.

The product of its (nonzero) digits is 2100, while the sum is 29.

The spelling of 10720111565 in words is "ten billion, seven hundred twenty million, one hundred eleven thousand, five hundred sixty-five".