7101871506 has 80 divisors (see below), whose sum is σ = 16648632000. Its totient is φ = 2258464032.

The previous prime is 7101871463. The next prime is 7101871507. The reversal of 7101871506 is 6051781017.

It is a happy number.

7101871506 is a `hidden beast` number, since 71 + 0 + 1 + 87 + 1 + 506 = 666.

It is not an unprimeable number, because it can be changed into a prime (7101871507) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 1558920 + ... + 1563468.

It is an arithmetic number, because the mean of its divisors is an integer number (208107900).

Almost surely, 2^7101871506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7101871506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8324316000).

7101871506 is an abundant number, since it is smaller than the sum of its proper divisors (9546760494).

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

7101871506 is a wasteful number, since it uses less digits than its factorization.

7101871506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The square root of 7101871506 is about 84272.6023450089. The cubic root of 7101871506 is about 1922.1662025660.

The spelling of 7101871506 in words is "seven billion, one hundred one million, eight hundred seventy-one thousand, five hundred six".