99911315 has 8 divisors (see below), whose sum is σ = 137021280. Its totient is φ = 68510592.

The previous prime is 99911309. The next prime is 99911327. The reversal of 99911315 is 51311999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99911315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427270 + ... + 1427339.

It is an arithmetic number, because the mean of its divisors is an integer number (17127660).

Almost surely, 2^99911315 is an apocalyptic number.

99911315 is a deficient number, since it is larger than the sum of its proper divisors (37109965).

99911315 is a wasteful number, since it uses less digits than its factorization.

99911315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854621.

The product of its digits is 10935, while the sum is 38.

The square root of 99911315 is about 9995.5647664352. The cubic root of 99911315 is about 464.0216296769.

The spelling of 99911315 in words is "ninety-nine million, nine hundred eleven thousand, three hundred fifteen".