10989998901 has 48 divisors (see below), whose sum is σ = 18338112000. Its totient is φ = 6212553984.

The previous prime is 10989998893. The next prime is 10989998923.

10989998901 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 10989998901 - 2³ = 10989998893 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989998951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2361625 + ... + 2366273.

It is an arithmetic number, because the mean of its divisors is an integer number (382044000).

Almost surely, 2^10989998901 is an apocalyptic number.

It is an amenable number.

10989998901 is a deficient number, since it is larger than the sum of its proper divisors (7348113099).

10989998901 is a wasteful number, since it uses less digits than its factorization.

10989998901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 63.

It can be divided in two parts, 1098 and 9998901, that added together give a palindrome (9999999).

The spelling of 10989998901 in words is "ten billion, nine hundred eighty-nine million, nine hundred ninety-eight thousand, nine hundred one".