11505667 has 2 divisors, whose sum is σ = 11505668. Its totient is φ = 11505666.

The previous prime is 11505629. The next prime is 11505679. The reversal of 11505667 is 76650511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11505667 - 2⁷ = 11505539 is a prime.

It is a super-2 number, since 2×11505667² = 264760746229778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11505167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5752833 + 5752834.

It is an arithmetic number, because the mean of its divisors is an integer number (5752834).

Almost surely, 2^11505667 is an apocalyptic number.

11505667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11505667 is an equidigital number, since it uses as much as digits as its factorization.

11505667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 11505667 is about 3392.0004422170. Note that the first 3 decimals coincide. The cubic root of 11505667 is about 225.7549422990.

The spelling of 11505667 in words is "eleven million, five hundred five thousand, six hundred sixty-seven".