10101840856 has 16 divisors (see below), whose sum is σ = 19764471600. Its totient is φ = 4831315104.

The previous prime is 10101840841. The next prime is 10101840857. The reversal of 10101840856 is 65804810101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101840857) 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 3 ways as a sum of consecutive naturals, for example, 27450471 + ... + 27450838.

It is an arithmetic number, because the mean of its divisors is an integer number (1235279475).

Almost surely, 2^10101840856 is an apocalyptic number.

It is an amenable number.

10101840856 is a deficient number, since it is larger than the sum of its proper divisors (9662630744).

10101840856 is a wasteful number, since it uses less digits than its factorization.

10101840856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54901338 (or 54901334 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 10101840856 in words is "ten billion, one hundred one million, eight hundred forty thousand, eight hundred fifty-six".