71084212881652 has 48 divisors (see below), whose sum is σ = 132106744965888. Its totient is φ = 33351914787840.

The previous prime is 71084212881623. The next prime is 71084212881683. The reversal of 71084212881652 is 25618821248017.

It is a junction number, because it is equal to n+sod(n) for n = 71084212881593 and 71084212881602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100144152 + ... + 100851472.

It is an arithmetic number, because the mean of its divisors is an integer number (2752223853456).

Almost surely, 2^{71084212881652} is an apocalyptic number.

It is an amenable number.

71084212881652 is a deficient number, since it is larger than the sum of its proper divisors (61022532084236).

71084212881652 is a wasteful number, since it uses less digits than its factorization.

71084212881652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711736 (or 711734 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 71084212881652 in words is "seventy-one trillion, eighty-four billion, two hundred twelve million, eight hundred eighty-one thousand, six hundred fifty-two".