11105254639 has 2 divisors, whose sum is σ = 11105254640. Its totient is φ = 11105254638.

The previous prime is 11105254631. The next prime is 11105254673. The reversal of 11105254639 is 93645250111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11105254639 - 2³ = 11105254631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11105254598 and 11105254607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11105254631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552627319 + 5552627320.

It is an arithmetic number, because the mean of its divisors is an integer number (5552627320).

Almost surely, 2^11105254639 is an apocalyptic number.

11105254639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105254639 is an equidigital number, since it uses as much as digits as its factorization.

11105254639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 11105254639 in words is "eleven billion, one hundred five million, two hundred fifty-four thousand, six hundred thirty-nine".