71107071136 has 12 divisors (see below), whose sum is σ = 139992046362. Its totient is φ = 35553535552.

The previous prime is 71107071127. The next prime is 71107071149. The reversal of 71107071136 is 63117070117.

It can be written as a sum of positive squares in only one way, i.e., 61879547536 + 9227523600 = 248756^2 + 96060^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111047955 + ... + 1111048018.

Almost surely, 2^71107071136 is an apocalyptic number.

It is an amenable number.

71107071136 is a deficient number, since it is larger than the sum of its proper divisors (68884975226).

71107071136 is a wasteful number, since it uses less digits than its factorization.

71107071136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222095983 (or 2222095975 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 34.

The spelling of 71107071136 in words is "seventy-one billion, one hundred seven million, seventy-one thousand, one hundred thirty-six".