71052411245 has 16 divisors (see below), whose sum is σ = 86172361968. Its totient is φ = 56236032000.

The previous prime is 71052411179. The next prime is 71052411301. The reversal of 71052411245 is 54211425017.

It can be written as a sum of positive squares in 8 ways, for example, as 1273490596 + 69778920649 = 35686^2 + 264157^2 .

It is not a de Polignac number, because 71052411245 - 2¹⁸ = 71052149101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431077 + ... + 1479893.

It is an arithmetic number, because the mean of its divisors is an integer number (5385772623).

Almost surely, 2^71052411245 is an apocalyptic number.

It is an amenable number.

71052411245 is a deficient number, since it is larger than the sum of its proper divisors (15119950723).

71052411245 is a wasteful number, since it uses less digits than its factorization.

71052411245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51920.

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 71052411245 in words is "seventy-one billion, fifty-two million, four hundred eleven thousand, two hundred forty-five".