99125111 has 4 divisors (see below), whose sum is σ = 99151272. Its totient is φ = 99098952.

The previous prime is 99125107. The next prime is 99125119. The reversal of 99125111 is 11152199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99125111 - 2² = 99125107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99125119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185 + ... + 15378.

It is an arithmetic number, because the mean of its divisors is an integer number (24787818).

Almost surely, 2^99125111 is an apocalyptic number.

99125111 is a deficient number, since it is larger than the sum of its proper divisors (26161).

99125111 is a wasteful number, since it uses less digits than its factorization.

99125111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26160.

The product of its digits is 810, while the sum is 29.

The square root of 99125111 is about 9956.1594503101. The cubic root of 99125111 is about 462.8012914851.

The spelling of 99125111 in words is "ninety-nine million, one hundred twenty-five thousand, one hundred eleven".