111932570072761 has 3 divisors (see below), whose sum is σ = 111932580652581. Its totient is φ = 111932559492942.

The previous prime is 111932570072749. The next prime is 111932570072803. The reversal of 111932570072761 is 167270075239111.

It is a happy number.

The square root of 111932570072761 is 10579819.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 111932570072761 - 2⁷ = 111932570072633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111932570072699 and 111932570072708.

It is not an unprimeable number, because it can be changed into a prime (111932570072861) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5289910 + ... + 15869728.

It is an arithmetic number, because the mean of its divisors is an integer number (37310860217527).

Almost surely, 2^{111932570072761} is an apocalyptic number.

111932570072761 is the 10579819-th square number.

111932570072761 is the 5289910-th centered octagonal number.

It is an amenable number.

111932570072761 is a deficient number, since it is larger than the sum of its proper divisors (10579820).

111932570072761 is an frugal number, since it uses more digits than its factorization.

111932570072761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21159638 (or 10579819 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 52.

The spelling of 111932570072761 in words is "one hundred eleven trillion, nine hundred thirty-two billion, five hundred seventy million, seventy-two thousand, seven hundred sixty-one".