71280754655 has 16 divisors (see below), whose sum is σ = 93796488864. Its totient is φ = 51571937280.

The previous prime is 71280754651. The next prime is 71280754669. The reversal of 71280754655 is 55645708217.

It is not a de Polignac number, because 71280754655 - 2² = 71280754651 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 (71280754651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346934 + ... + 3368163.

It is an arithmetic number, because the mean of its divisors is an integer number (5862280554).

Almost surely, 2^71280754655 is an apocalyptic number.

71280754655 is a deficient number, since it is larger than the sum of its proper divisors (22515734209).

71280754655 is a wasteful number, since it uses less digits than its factorization.

71280754655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715306.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 71280754655 in words is "seventy-one billion, two hundred eighty million, seven hundred fifty-four thousand, six hundred fifty-five".