26351112611 has 4 divisors (see below), whose sum is σ = 26364976224. Its totient is φ = 26337249000.

The previous prime is 26351112607. The next prime is 26351112629. The reversal of 26351112611 is 11621115362.

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 26351112611 - 2² = 26351112607 is a prime.

It is a super-2 number, since 2×26351112611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26351112691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6928955 + ... + 6932756.

It is an arithmetic number, because the mean of its divisors is an integer number (6591244056).

Almost surely, 2^26351112611 is an apocalyptic number.

26351112611 is a deficient number, since it is larger than the sum of its proper divisors (13863613).

26351112611 is a wasteful number, since it uses less digits than its factorization.

26351112611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863612.

The product of its digits is 2160, while the sum is 29.

Adding to 26351112611 its reverse (11621115362), we get a palindrome (37972227973).

The spelling of 26351112611 in words is "twenty-six billion, three hundred fifty-one million, one hundred twelve thousand, six hundred eleven".