10011111109898 has 16 divisors (see below), whose sum is σ = 15300700245576. Its totient is φ = 4910886339840.

The previous prime is 10011111109897. The next prime is 10011111110027. The reversal of 10011111109898 is 89890111111001.

It can be written as a sum of positive squares in 4 ways, for example, as 9845581746289 + 165529363609 = 3137767^2 + 406853^2 .

It is not an unprimeable number, because it can be changed into a prime (10011111109897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177590 + ... + 4478142.

Almost surely, 2^{10011111109898} is an apocalyptic number.

10011111109898 is a deficient number, since it is larger than the sum of its proper divisors (5289589135678).

10011111109898 is a wasteful number, since it uses less digits than its factorization.

10011111109898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322569.

The product of its (nonzero) digits is 5184, while the sum is 41.

The spelling of 10011111109898 in words is "ten trillion, eleven billion, one hundred eleven million, one hundred nine thousand, eight hundred ninety-eight".