130666111 has 4 divisors (see below), whose sum is σ = 130693752. Its totient is φ = 130638472.

The previous prime is 130666091. The next prime is 130666117. The reversal of 130666111 is 111666031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130666111 - 2²¹ = 128568959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130666117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4741 + ... + 16846.

It is an arithmetic number, because the mean of its divisors is an integer number (32673438).

Almost surely, 2^130666111 is an apocalyptic number.

130666111 is a deficient number, since it is larger than the sum of its proper divisors (27641).

130666111 is an equidigital number, since it uses as much as digits as its factorization.

130666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27640.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 130666111 is about 11430.9278276087. The cubic root of 130666111 is about 507.4434547562.

The spelling of 130666111 in words is "one hundred thirty million, six hundred sixty-six thousand, one hundred eleven".