26115971 has 12 divisors (see below), whose sum is σ = 31702032. Its totient is φ = 21410928.

The previous prime is 26115967. The next prime is 26116031. The reversal of 26115971 is 17951162.

It is not a de Polignac number, because 26115971 - 2² = 26115967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (26115911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10460 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (2641836).

Almost surely, 2^26115971 is an apocalyptic number.

26115971 is a deficient number, since it is larger than the sum of its proper divisors (5586061).

26115971 is a wasteful number, since it uses less digits than its factorization.

26115971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23210 (or 23203 counting only the distinct ones).

The product of its digits is 3780, while the sum is 32.

The square root of 26115971 is about 5110.3787530867. The cubic root of 26115971 is about 296.6894197645.

The spelling of 26115971 in words is "twenty-six million, one hundred fifteen thousand, nine hundred seventy-one".