109128100863 has 16 divisors (see below), whose sum is σ = 148914339840. Its totient is φ = 71059276704.

The previous prime is 109128100831. The next prime is 109128100903. The reversal of 109128100863 is 368001821901.

It is not a de Polignac number, because 109128100863 - 2⁵ = 109128100831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109124100863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503423 + ... + 1574336.

It is an arithmetic number, because the mean of its divisors is an integer number (9307146240).

Almost surely, 2^109128100863 is an apocalyptic number.

109128100863 is a deficient number, since it is larger than the sum of its proper divisors (39786238977).

109128100863 is a wasteful number, since it uses less digits than its factorization.

109128100863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078038.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 109128100863 in words is "one hundred nine billion, one hundred twenty-eight million, one hundred thousand, eight hundred sixty-three".