71118484851 has 16 divisors (see below), whose sum is σ = 99123261696. Its totient is φ = 45270340896.

The previous prime is 71118484837. The next prime is 71118484889. The reversal of 71118484851 is 15848481117.

It is a happy number.

It is not a de Polignac number, because 71118484851 - 2¹⁰ = 71118483827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71118484851.

It is not an unprimeable number, because it can be changed into a prime (71118484351) 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, 876520 + ... + 954213.

It is an arithmetic number, because the mean of its divisors is an integer number (6195203856).

Almost surely, 2^71118484851 is an apocalyptic number.

71118484851 is a deficient number, since it is larger than the sum of its proper divisors (28004776845).

71118484851 is a wasteful number, since it uses less digits than its factorization.

71118484851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831322.

The product of its digits is 286720, while the sum is 48.

The spelling of 71118484851 in words is "seventy-one billion, one hundred eighteen million, four hundred eighty-four thousand, eight hundred fifty-one".