810255157112 has 8 divisors (see below), whose sum is σ = 1519228419600. Its totient is φ = 405127578552.

The previous prime is 810255157043. The next prime is 810255157133. The reversal of 810255157112 is 211751552018.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50640947312 + ... + 50640947327.

It is an arithmetic number, because the mean of its divisors is an integer number (189903552450).

Almost surely, 2^810255157112 is an apocalyptic number.

It is an amenable number.

810255157112 is a deficient number, since it is larger than the sum of its proper divisors (708973262488).

810255157112 is a wasteful number, since it uses less digits than its factorization.

810255157112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101281894645 (or 101281894641 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 38.

The spelling of 810255157112 in words is "eight hundred ten billion, two hundred fifty-five million, one hundred fifty-seven thousand, one hundred twelve".