26911453031 has 4 divisors (see below), whose sum is σ = 27839434200. Its totient is φ = 25983471864.

The previous prime is 26911453013. The next prime is 26911453081. The reversal of 26911453031 is 13035411962.

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 26911453031 - 2²² = 26907258727 is a prime.

It is a super-2 number, since 2×26911453031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26911452982 and 26911453000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26911453001) 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, 463990541 + ... + 463990598.

It is an arithmetic number, because the mean of its divisors is an integer number (6959858550).

Almost surely, 2^26911453031 is an apocalyptic number.

26911453031 is a deficient number, since it is larger than the sum of its proper divisors (927981169).

26911453031 is an equidigital number, since it uses as much as digits as its factorization.

26911453031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927981168.

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 26911453031 its reverse (13035411962), we get a palindrome (39946864993).

The spelling of 26911453031 in words is "twenty-six billion, nine hundred eleven million, four hundred fifty-three thousand, thirty-one".