71013546078765 has 32 divisors (see below), whose sum is σ = 114214970488320. Its totient is φ = 37676141408256.

The previous prime is 71013546078743. The next prime is 71013546078767. The reversal of 71013546078765 is 56787064531017.

It is not a de Polignac number, because 71013546078765 - 2⁷ = 71013546078637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71013546078699 and 71013546078708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013546078767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73583371 + ... + 74542199.

It is an arithmetic number, because the mean of its divisors is an integer number (3569217827760).

Almost surely, 2^{71013546078765} is an apocalyptic number.

It is an amenable number.

71013546078765 is a deficient number, since it is larger than the sum of its proper divisors (43201424409555).

71013546078765 is a wasteful number, since it uses less digits than its factorization.

71013546078765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984613.

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 71013546078765 in words is "seventy-one trillion, thirteen billion, five hundred forty-six million, seventy-eight thousand, seven hundred sixty-five".