71011245885 has 16 divisors (see below), whose sum is σ = 115480584960. Its totient is φ = 37251800640.

The previous prime is 71011245859. The next prime is 71011245913. The reversal of 71011245885 is 58854211017.

It is not a de Polignac number, because 71011245885 - 2¹⁹ = 71010721597 is a prime.

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, 38803045 + ... + 38804874.

It is an arithmetic number, because the mean of its divisors is an integer number (7217536560).

Almost surely, 2^71011245885 is an apocalyptic number.

It is an amenable number.

71011245885 is a deficient number, since it is larger than the sum of its proper divisors (44469339075).

71011245885 is a wasteful number, since it uses less digits than its factorization.

71011245885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77607988.

The product of its (nonzero) digits is 89600, while the sum is 42.

The spelling of 71011245885 in words is "seventy-one billion, eleven million, two hundred forty-five thousand, eight hundred eighty-five".