7112387520 has 448 divisors, whose sum is σ = 29927946240. Its totient is φ = 1554702336.

The previous prime is 7112387509. The next prime is 7112387599. The reversal of 7112387520 is 257832117.

7112387520 is a `hidden beast` number, since 7 + 1 + 123 + 8 + 7 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1388484 + ... + 1393596.

Almost surely, 2^7112387520 is an apocalyptic number.

7112387520 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 7112387520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14963973120).

7112387520 is an abundant number, since it is smaller than the sum of its proper divisors (22815558720).

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

7112387520 is a wasteful number, since it uses less digits than its factorization.

7112387520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 7112387520 is about 84334.9721052897. The cubic root of 7112387520 is about 1923.1144764539.

The spelling of 7112387520 in words is "seven billion, one hundred twelve million, three hundred eighty-seven thousand, five hundred twenty".