5123537805312 has 560 divisors, whose sum is σ = 15867624896640. Its totient is φ = 1646288437248.

The previous prime is 5123537805299. The next prime is 5123537805437. The reversal of 5123537805312 is 2135087353215.

5123537805312 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 5 + 37 + 80 + 531 + 2 = 666.

It is a super-2 number, since 2×5123537805312² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2254085008 + ... + 2254087280.

Almost surely, 2^{5123537805312} 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 5123537805312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7933812448320).

5123537805312 is an abundant number, since it is smaller than the sum of its proper divisors (10744087091328).

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

5123537805312 is an equidigital number, since it uses as much as digits as its factorization.

5123537805312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 5123537805312 in words is "five trillion, one hundred twenty-three billion, five hundred thirty-seven million, eight hundred five thousand, three hundred twelve".