99989112245 has 64 divisors (see below), whose sum is σ = 147230265600. Its totient is φ = 64243445760.

The previous prime is 99989112241. The next prime is 99989112259. The reversal of 99989112245 is 54221198999.

It is not a de Polignac number, because 99989112245 - 2² = 99989112241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989112241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1910567 + ... + 1962203.

It is an arithmetic number, because the mean of its divisors is an integer number (2300472900).

Almost surely, 2^99989112245 is an apocalyptic number.

99989112245 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99989112245 is the 258185-th pentagonal number.

It is an amenable number.

99989112245 is a deficient number, since it is larger than the sum of its proper divisors (47241153355).

99989112245 is a wasteful number, since it uses less digits than its factorization.

99989112245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51798.

The product of its digits is 4199040, while the sum is 59.

The spelling of 99989112245 in words is "ninety-nine billion, nine hundred eighty-nine million, one hundred twelve thousand, two hundred forty-five".