11905079 has 4 divisors (see below), whose sum is σ = 12106920. Its totient is φ = 11703240.

The previous prime is 11905057. The next prime is 11905081. The reversal of 11905079 is 97050911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97050911 = 47 ⋅2064913.

It is a de Polignac number, because none of the positive numbers 2^k-11905079 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 (11905679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100832 + ... + 100949.

It is an arithmetic number, because the mean of its divisors is an integer number (3026730).

Almost surely, 2^11905079 is an apocalyptic number.

11905079 is a deficient number, since it is larger than the sum of its proper divisors (201841).

11905079 is an equidigital number, since it uses as much as digits as its factorization.

11905079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201840.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 11905079 is about 3450.3737478714. The cubic root of 11905079 is about 228.3375974956.

The spelling of 11905079 in words is "eleven million, nine hundred five thousand, seventy-nine".