26113019 has 4 divisors (see below), whose sum is σ = 26480880. Its totient is φ = 25745160.

The previous prime is 26112991. The next prime is 26113033. The reversal of 26113019 is 91031162.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26113019 is a prime.

It is a super-2 number, since 2×26113019² = 1363779522588722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26112985 and 26113003.

It is not an unprimeable number, because it can be changed into a prime (26113069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183824 + ... + 183965.

It is an arithmetic number, because the mean of its divisors is an integer number (6620220).

Almost surely, 2^26113019 is an apocalyptic number.

26113019 is a deficient number, since it is larger than the sum of its proper divisors (367861).

26113019 is an equidigital number, since it uses as much as digits as its factorization.

26113019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367860.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 26113019 is about 5110.0899209309. The cubic root of 26113019 is about 296.6782406516.

The spelling of 26113019 in words is "twenty-six million, one hundred thirteen thousand, nineteen".