71407115963 has 4 divisors (see below), whose sum is σ = 71487985608. Its totient is φ = 71326246320.

The previous prime is 71407115951. The next prime is 71407115981. The reversal of 71407115963 is 36951170417.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71407115963 - 2²² = 71402921659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71407115903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40433498 + ... + 40435263.

It is an arithmetic number, because the mean of its divisors is an integer number (17871996402).

Almost surely, 2^71407115963 is an apocalyptic number.

71407115963 is a deficient number, since it is larger than the sum of its proper divisors (80869645).

71407115963 is an equidigital number, since it uses as much as digits as its factorization.

71407115963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80869644.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 71407115963 in words is "seventy-one billion, four hundred seven million, one hundred fifteen thousand, nine hundred sixty-three".