85811255780108 has 24 divisors (see below), whose sum is σ = 150713234708400. Its totient is φ = 42750334473408.

The previous prime is 85811255780083. The next prime is 85811255780111. The reversal of 85811255780108 is 80108755211858.

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 7 ways as a sum of consecutive naturals, for example, 144396083 + ... + 144989141.

It is an arithmetic number, because the mean of its divisors is an integer number (6279718112850).

Almost surely, 2^{85811255780108} is an apocalyptic number.

It is an amenable number.

85811255780108 is a deficient number, since it is larger than the sum of its proper divisors (64901978928292).

85811255780108 is a wasteful number, since it uses less digits than its factorization.

85811255780108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723929 (or 723927 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 59.

The spelling of 85811255780108 in words is "eighty-five trillion, eight hundred eleven billion, two hundred fifty-five million, seven hundred eighty thousand, one hundred eight".