7112555520 has 352 divisors, whose sum is σ = 26345184768. Its totient is φ = 1604124672.

The previous prime is 7112555477. The next prime is 7112555521. The reversal of 7112555520 is 255552117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7112555521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8923762 + ... + 8924558.

Almost surely, 2^7112555520 is an apocalyptic number.

7112555520 is a gapful number since it is divisible by the number (70) 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 7112555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13172592384).

7112555520 is an abundant number, since it is smaller than the sum of its proper divisors (19232629248).

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

7112555520 is a wasteful number, since it uses less digits than its factorization.

7112555520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 7112555520 is about 84335.9681274840. The cubic root of 7112555520 is about 1923.1296181433.

The spelling of 7112555520 in words is "seven billion, one hundred twelve million, five hundred fifty-five thousand, five hundred twenty".