71156051200 has 108 divisors (see below), whose sum is σ = 189670439308. Its totient is φ = 26272972800.

The previous prime is 71156051191. The next prime is 71156051209. The reversal of 71156051200 is 215065117.

It is an interprime number because it is at equal distance from previous prime (71156051191) and next prime (71156051209).

It can be written as a sum of positive squares in 6 ways, for example, as 1738556416 + 69417494784 = 41696^2 + 263472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71156051209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 344421 + ... + 510820.

Almost surely, 2^71156051200 is an apocalyptic number.

It is an amenable number.

71156051200 is an abundant number, since it is smaller than the sum of its proper divisors (118514388108).

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

71156051200 is a wasteful number, since it uses less digits than its factorization.

71156051200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855280 (or 855261 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 71156051200 in words is "seventy-one billion, one hundred fifty-six million, fifty-one thousand, two hundred".