9112323516781 has 4 divisors (see below), whose sum is σ = 9112331520000. Its totient is φ = 9112315513564.

The previous prime is 9112323516707. The next prime is 9112323516827. The reversal of 9112323516781 is 1876153232119.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9112323516781 - 2¹¹ = 9112323514733 is a prime.

It is a super-2 number, since 2×9112323516781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9112323516281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939531 + ... + 4688968.

It is an arithmetic number, because the mean of its divisors is an integer number (2278082880000).

Almost surely, 2^{9112323516781} is an apocalyptic number.

It is an amenable number.

9112323516781 is a deficient number, since it is larger than the sum of its proper divisors (8003219).

9112323516781 is a wasteful number, since it uses less digits than its factorization.

9112323516781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003218.

The product of its digits is 544320, while the sum is 49.

The spelling of 9112323516781 in words is "nine trillion, one hundred twelve billion, three hundred twenty-three million, five hundred sixteen thousand, seven hundred eighty-one".