71563153116 has 96 divisors (see below), whose sum is σ = 209392501248. Its totient is φ = 18517674240.

The previous prime is 71563153091. The next prime is 71563153147. The reversal of 71563153116 is 61135136517.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560370 + ... + 676121.

It is an arithmetic number, because the mean of its divisors is an integer number (2181171888).

Almost surely, 2^71563153116 is an apocalyptic number.

It is an amenable number.

71563153116 is an abundant number, since it is smaller than the sum of its proper divisors (137829348132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71563153116 is a wasteful number, since it uses less digits than its factorization.

71563153116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236571 (or 1236569 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The spelling of 71563153116 in words is "seventy-one billion, five hundred sixty-three million, one hundred fifty-three thousand, one hundred sixteen".