5123557712 has 80 divisors (see below), whose sum is σ = 12254132352. Its totient is φ = 2020861440.

The previous prime is 5123557639. The next prime is 5123557757. The reversal of 5123557712 is 2177553215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500162 + ... + 510302.

Almost surely, 2^5123557712 is an apocalyptic number.

5123557712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5123557712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6127066176).

5123557712 is an abundant number, since it is smaller than the sum of its proper divisors (7130574640).

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

5123557712 is a wasteful number, since it uses less digits than its factorization.

5123557712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10516 (or 10510 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 5123557712 is about 71579.0312312202. The cubic root of 5123557712 is about 1723.9468709571.

The spelling of 5123557712 in words is "five billion, one hundred twenty-three million, five hundred fifty-seven thousand, seven hundred twelve".