71110669144 has 8 divisors (see below), whose sum is σ = 133332504660. Its totient is φ = 35555334568.

The previous prime is 71110669111. The next prime is 71110669153. The reversal of 71110669144 is 44196601117.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×71110669144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71110669097 and 71110669106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444416814 + ... + 4444416829.

Almost surely, 2^71110669144 is an apocalyptic number.

It is an amenable number.

71110669144 is a deficient number, since it is larger than the sum of its proper divisors (62221835516).

71110669144 is a wasteful number, since it uses less digits than its factorization.

71110669144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888833649 (or 8888833645 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 71110669144 in words is "seventy-one billion, one hundred ten million, six hundred sixty-nine thousand, one hundred forty-four".