110971551123 has 16 divisors (see below), whose sum is σ = 164407744800. Its totient is φ = 73978583040.

The previous prime is 110971551091. The next prime is 110971551133. The reversal of 110971551123 is 321155179011.

110971551123 is a `hidden beast` number, since 1 + 1 + 0 + 97 + 1 + 551 + 12 + 3 = 666.

It is not a de Polignac number, because 110971551123 - 2⁵ = 110971551091 is a prime.

It is a super-2 number, since 2×110971551123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110971551133) 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, 1173843 + ... + 1264851.

It is an arithmetic number, because the mean of its divisors is an integer number (10275484050).

Almost surely, 2^110971551123 is an apocalyptic number.

110971551123 is a deficient number, since it is larger than the sum of its proper divisors (53436193677).

110971551123 is an equidigital number, since it uses as much as digits as its factorization.

110971551123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136179 (or 136173 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 36.

The spelling of 110971551123 in words is "one hundred ten billion, nine hundred seventy-one million, five hundred fifty-one thousand, one hundred twenty-three".