99110261 has 4 divisors (see below), whose sum is σ = 99139872. Its totient is φ = 99080652.

The previous prime is 99110257. The next prime is 99110267. The reversal of 99110261 is 16201199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99110261 - 2² = 99110257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99110267) 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, 9035 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (24784968).

Almost surely, 2^99110261 is an apocalyptic number.

It is an amenable number.

99110261 is a deficient number, since it is larger than the sum of its proper divisors (29611).

99110261 is a wasteful number, since it uses less digits than its factorization.

99110261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29610.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 99110261 is about 9955.4136528825. The cubic root of 99110261 is about 462.7781794726.

The spelling of 99110261 in words is "ninety-nine million, one hundred ten thousand, two hundred sixty-one".