99511003 has 2 divisors, whose sum is σ = 99511004. Its totient is φ = 99511002.

The previous prime is 99511001. The next prime is 99511021. The reversal of 99511003 is 30011599.

It is a weak prime.

It is an emirp because it is prime and its reverse (30011599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99511003 - 2¹ = 99511001 is a prime.

Together with 99511001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99511001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49755501 + 49755502.

It is an arithmetic number, because the mean of its divisors is an integer number (49755502).

Almost surely, 2^99511003 is an apocalyptic number.

99511003 is a deficient number, since it is larger than the sum of its proper divisors (1).

99511003 is an equidigital number, since it uses as much as digits as its factorization.

99511003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 99511003 is about 9975.5201869376. The cubic root of 99511003 is about 463.4010724532.

The spelling of 99511003 in words is "ninety-nine million, five hundred eleven thousand, three".