71201450895 has 16 divisors (see below), whose sum is σ = 113929152480. Its totient is φ = 37971830144.

The previous prime is 71201450867. The next prime is 71201450899. The reversal of 71201450895 is 59805410217.

It is a Cunningham number, because it is equal to 266836²-1.

It is a cyclic number.

It is not a de Polignac number, because 71201450895 - 2²³ = 71193062287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71201450899) by changing a digit.

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, 133417 + ... + 400253.

It is an arithmetic number, because the mean of its divisors is an integer number (7120572030).

Almost surely, 2^71201450895 is an apocalyptic number.

71201450895 is a deficient number, since it is larger than the sum of its proper divisors (42727701585).

71201450895 is a wasteful number, since it uses less digits than its factorization.

71201450895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284634.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 71201450895 in words is "seventy-one billion, two hundred one million, four hundred fifty thousand, eight hundred ninety-five".