71111232086 has 16 divisors (see below), whose sum is σ = 108944291520. Its totient is φ = 34796578560.

The previous prime is 71111232053. The next prime is 71111232121. The reversal of 71111232086 is 68023211117.

It is a super-2 number, since 2×71111232086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418956 + ... + 2448176.

It is an arithmetic number, because the mean of its divisors is an integer number (6809018220).

Almost surely, 2^71111232086 is an apocalyptic number.

71111232086 is a deficient number, since it is larger than the sum of its proper divisors (37833059434).

71111232086 is a wasteful number, since it uses less digits than its factorization.

71111232086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55159.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 71111232086 in words is "seventy-one billion, one hundred eleven million, two hundred thirty-two thousand, eighty-six".