26623240411 has 4 divisors (see below), whose sum is σ = 26639605432. Its totient is φ = 26606875392.

The previous prime is 26623240403. The next prime is 26623240421. The reversal of 26623240411 is 11404232662.

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 26623240411 - 2³ = 26623240403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26623240421) 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, 8180070 + ... + 8183323.

It is an arithmetic number, because the mean of its divisors is an integer number (6659901358).

Almost surely, 2^26623240411 is an apocalyptic number.

26623240411 is a deficient number, since it is larger than the sum of its proper divisors (16365021).

26623240411 is a wasteful number, since it uses less digits than its factorization.

26623240411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365020.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 26623240411 in words is "twenty-six billion, six hundred twenty-three million, two hundred forty thousand, four hundred eleven".