111334456791 has 12 divisors (see below), whose sum is σ = 161414271720. Its totient is φ = 73947047760.

The previous prime is 111334456741. The next prime is 111334456841. The reversal of 111334456791 is 197654433111.

111334456791 is a `hidden beast` number, since 1 + 1 + 133 + 445 + 6 + 79 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (111334456741) and next prime (111334456841).

It is not a de Polignac number, because 111334456791 - 2⁷ = 111334456663 is a prime.

It is a super-2 number, since 2×111334456791² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111334456741) 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 11 ways as a sum of consecutive naturals, for example, 22991065 + ... + 22995906.

It is an arithmetic number, because the mean of its divisors is an integer number (13451189310).

Almost surely, 2^111334456791 is an apocalyptic number.

111334456791 is a deficient number, since it is larger than the sum of its proper divisors (50079814929).

111334456791 is a wasteful number, since it uses less digits than its factorization.

111334456791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45987246 (or 45987243 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 111334456791 in words is "one hundred eleven billion, three hundred thirty-four million, four hundred fifty-six thousand, seven hundred ninety-one".