100863855029 has 24 divisors (see below), whose sum is σ = 118826285760. Its totient is φ = 85357552896.

The previous prime is 100863855017. The next prime is 100863855047. The reversal of 100863855029 is 920558368001.

It is not a de Polignac number, because 100863855029 - 2¹⁶ = 100863789493 is a prime.

It is a super-2 number, since 2×100863855029² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100863855929) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1966184 + ... + 2016830.

It is an arithmetic number, because the mean of its divisors is an integer number (4951095240).

Almost surely, 2^100863855029 is an apocalyptic number.

It is an amenable number.

100863855029 is a deficient number, since it is larger than the sum of its proper divisors (17962430731).

100863855029 is an equidigital number, since it uses as much as digits as its factorization.

100863855029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51177 (or 51170 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 100863855029 in words is "one hundred billion, eight hundred sixty-three million, eight hundred fifty-five thousand, twenty-nine".