5811123031488 has 140 divisors (see below), whose sum is σ = 17231895477720. Its totient is φ = 1936376851968.

The previous prime is 5811123031453. The next prime is 5811123031489. The reversal of 5811123031488 is 8841303211185.

5811123031488 is a `hidden beast` number, since 5 + 8 + 11 + 123 + 0 + 31 + 488 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811123031489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15045070 + ... + 15426482.

It is an arithmetic number, because the mean of its divisors is an integer number (123084967698).

Almost surely, 2^{5811123031488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5811123031488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8615947738860).

5811123031488 is an abundant number, since it is smaller than the sum of its proper divisors (11420772446232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5811123031488 is a wasteful number, since it uses less digits than its factorization.

5811123031488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384376 (or 384357 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 5811123031488 in words is "five trillion, eight hundred eleven billion, one hundred twenty-three million, thirty-one thousand, four hundred eighty-eight".