71345310363511 has 4 divisors (see below), whose sum is σ = 72691448294952. Its totient is φ = 69999172432072.

The previous prime is 71345310363443. The next prime is 71345310363527. The reversal of 71345310363511 is 11536301354317.

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 71345310363511 - 2²⁹ = 71344773492599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71345310363311) 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, 673068965641 + ... + 673068965746.

It is an arithmetic number, because the mean of its divisors is an integer number (18172862073738).

Almost surely, 2^{71345310363511} is an apocalyptic number.

71345310363511 is a deficient number, since it is larger than the sum of its proper divisors (1346137931441).

71345310363511 is a wasteful number, since it uses less digits than its factorization.

71345310363511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346137931440.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 71345310363511 in words is "seventy-one trillion, three hundred forty-five billion, three hundred ten million, three hundred sixty-three thousand, five hundred eleven".