11488999 has 2 divisors, whose sum is σ = 11489000. Its totient is φ = 11488998.

The previous prime is 11488993. The next prime is 11489021. The reversal of 11488999 is 99988411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11488999 - 2²¹ = 9391847 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11488993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5744499 + 5744500.

It is an arithmetic number, because the mean of its divisors is an integer number (5744500).

Almost surely, 2^11488999 is an apocalyptic number.

11488999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11488999 is an equidigital number, since it uses as much as digits as its factorization.

11488999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 49.

The square root of 11488999 is about 3389.5425945104. The cubic root of 11488999 is about 225.6458742514.

The spelling of 11488999 in words is "eleven million, four hundred eighty-eight thousand, nine hundred ninety-nine".