99111413 has 2 divisors, whose sum is σ = 99111414. Its totient is φ = 99111412.

The previous prime is 99111409. The next prime is 99111427. The reversal of 99111413 is 31411199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77563249 + 21548164 = 8807^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 99111413 - 2² = 99111409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99111403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49555706 + 49555707.

It is an arithmetic number, because the mean of its divisors is an integer number (49555707).

Almost surely, 2^99111413 is an apocalyptic number.

It is an amenable number.

99111413 is a deficient number, since it is larger than the sum of its proper divisors (1).

99111413 is an equidigital number, since it uses as much as digits as its factorization.

99111413 is an odious number, because the sum of its binary digits is odd.

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

The square root of 99111413 is about 9955.4715106820. The cubic root of 99111413 is about 462.7799724871.

The spelling of 99111413 in words is "ninety-nine million, one hundred eleven thousand, four hundred thirteen".