71405382118 has 16 divisors (see below), whose sum is σ = 122415575040. Its totient is φ = 30600719496.

The previous prime is 71405382101. The next prime is 71405382121. The reversal of 71405382118 is 81128350417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171355 + ... + 414937.

It is an arithmetic number, because the mean of its divisors is an integer number (7650973440).

Almost surely, 2^71405382118 is an apocalyptic number.

71405382118 is a deficient number, since it is larger than the sum of its proper divisors (51010192922).

71405382118 is a wasteful number, since it uses less digits than its factorization.

71405382118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264531.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 71405382118 in words is "seventy-one billion, four hundred five million, three hundred eighty-two thousand, one hundred eighteen".