89999011101 has 16 divisors (see below), whose sum is σ = 120689003520. Its totient is φ = 59654503680.

The previous prime is 89999011087. The next prime is 89999011103. The reversal of 89999011101 is 10111099998.

It is a happy number.

It is not a de Polignac number, because 89999011101 - 2¹¹ = 89999009053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89999011103) 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, 1102585 + ... + 1181393.

It is an arithmetic number, because the mean of its divisors is an integer number (7543062720).

Almost surely, 2^89999011101 is an apocalyptic number.

It is an amenable number.

89999011101 is a deficient number, since it is larger than the sum of its proper divisors (30689992419).

89999011101 is a wasteful number, since it uses less digits than its factorization.

89999011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80996.

The product of its (nonzero) digits is 52488, while the sum is 48.

The spelling of 89999011101 in words is "eighty-nine billion, nine hundred ninety-nine million, eleven thousand, one hundred one".