71905040052555 has 16 divisors (see below), whose sum is σ = 115683688751904. Its totient is φ = 38137479805440.

The previous prime is 71905040052539. The next prime is 71905040052563. The reversal of 71905040052555 is 55525004050917.

It is not a de Polignac number, because 71905040052555 - 2⁴ = 71905040052539 is a prime.

It is an unprimeable number.

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, 13242177774 + ... + 13242183203.

It is an arithmetic number, because the mean of its divisors is an integer number (7230230546994).

Almost surely, 2^{71905040052555} is an apocalyptic number.

71905040052555 is a deficient number, since it is larger than the sum of its proper divisors (43778648699349).

71905040052555 is a wasteful number, since it uses less digits than its factorization.

71905040052555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26484361166.

The product of its (nonzero) digits is 1575000, while the sum is 48.

The spelling of 71905040052555 in words is "seventy-one trillion, nine hundred five billion, forty million, fifty-two thousand, five hundred fifty-five".