71256878110 has 32 divisors (see below), whose sum is σ = 140550100992. Its totient is φ = 25795387680.

The previous prime is 71256878107. The next prime is 71256878111. The reversal of 71256878110 is 1187865217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71256878111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427914 + ... + 1476973.

It is an arithmetic number, because the mean of its divisors is an integer number (4392190656).

Almost surely, 2^71256878110 is an apocalyptic number.

71256878110 is a deficient number, since it is larger than the sum of its proper divisors (69293222882).

71256878110 is a wasteful number, since it uses less digits than its factorization.

71256878110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905128.

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 71256878110 in words is "seventy-one billion, two hundred fifty-six million, eight hundred seventy-eight thousand, one hundred ten".