11512999 has 2 divisors, whose sum is σ = 11513000. Its totient is φ = 11512998.

The previous prime is 11512987. The next prime is 11513003. The reversal of 11512999 is 99921511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11512999 - 2¹⁹ = 10988711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11512199) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756499 + 5756500.

It is an arithmetic number, because the mean of its divisors is an integer number (5756500).

Almost surely, 2^11512999 is an apocalyptic number.

11512999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512999 is an equidigital number, since it uses as much as digits as its factorization.

11512999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 37.

The square root of 11512999 is about 3393.0810482510. The cubic root of 11512999 is about 225.8028863183.

The spelling of 11512999 in words is "eleven million, five hundred twelve thousand, nine hundred ninety-nine".