71097656603 has 12 divisors (see below), whose sum is σ = 74450199768. Its totient is φ = 67890303360.

The previous prime is 71097656579. The next prime is 71097656677. The reversal of 71097656603 is 30665679017.

It is not a de Polignac number, because 71097656603 - 2³² = 66802689307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71097656303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196043 + ... + 425003.

It is an arithmetic number, because the mean of its divisors is an integer number (6204183314).

Almost surely, 2^71097656603 is an apocalyptic number.

71097656603 is a deficient number, since it is larger than the sum of its proper divisors (3352543165).

71097656603 is a wasteful number, since it uses less digits than its factorization.

71097656603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229594 (or 229571 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 71097656603 in words is "seventy-one billion, ninety-seven million, six hundred fifty-six thousand, six hundred three".