71111205344 has 12 divisors (see below), whose sum is σ = 140000185584. Its totient is φ = 35555602656.

The previous prime is 71111205337. The next prime is 71111205419. The reversal of 71111205344 is 44350211117.

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, 1111112552 + ... + 1111112615.

It is an arithmetic number, because the mean of its divisors is an integer number (11666682132).

Almost surely, 2^71111205344 is an apocalyptic number.

It is an amenable number.

71111205344 is a deficient number, since it is larger than the sum of its proper divisors (68888980240).

71111205344 is a wasteful number, since it uses less digits than its factorization.

71111205344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222225177 (or 2222225169 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 71111205344 in words is "seventy-one billion, one hundred eleven million, two hundred five thousand, three hundred forty-four".