71514292865 has 4 divisors (see below), whose sum is σ = 85817151444. Its totient is φ = 57211434288.

The previous prime is 71514292789. The next prime is 71514292873. The reversal of 71514292865 is 56829241517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56829241517 = 99401 ⋅571717.

It can be written as a sum of positive squares in 2 ways, for example, as 30593857921 + 40920434944 = 174911^2 + 202288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71514292865 is a prime.

It is a super-2 number, since 2×71514292865² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151429282 + ... + 7151429291.

It is an arithmetic number, because the mean of its divisors is an integer number (21454287861).

Almost surely, 2^71514292865 is an apocalyptic number.

It is an amenable number.

71514292865 is a deficient number, since it is larger than the sum of its proper divisors (14302858579).

71514292865 is a wasteful number, since it uses less digits than its factorization.

71514292865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302858578.

The product of its digits is 1209600, while the sum is 50.

The spelling of 71514292865 in words is "seventy-one billion, five hundred fourteen million, two hundred ninety-two thousand, eight hundred sixty-five".