71121282642030 has 32 divisors (see below), whose sum is σ = 170713816470144. Its totient is φ = 18963148912416.

The previous prime is 71121282642017. The next prime is 71121282642041. The reversal of 71121282642030 is 3024628212117.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71121282642030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157674712 + ... + 158125131.

It is an arithmetic number, because the mean of its divisors is an integer number (5334806764692).

Almost surely, 2^{71121282642030} is an apocalyptic number.

71121282642030 is an abundant number, since it is smaller than the sum of its proper divisors (99592533828114).

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

71121282642030 is a wasteful number, since it uses less digits than its factorization.

71121282642030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315807360.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 71121282642030 in words is "seventy-one trillion, one hundred twenty-one billion, two hundred eighty-two million, six hundred forty-two thousand, thirty".