5405238911 has 2 divisors, whose sum is σ = 5405238912. Its totient is φ = 5405238910.

The previous prime is 5405238899. The next prime is 5405238913. The reversal of 5405238911 is 1198325045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5405238911 - 2³⁰ = 4331497087 is a prime.

Together with 5405238913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5405238913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702619455 + 2702619456.

It is an arithmetic number, because the mean of its divisors is an integer number (2702619456).

Almost surely, 2^5405238911 is an apocalyptic number.

5405238911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405238911 is an equidigital number, since it uses as much as digits as its factorization.

5405238911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 5405238911 is about 73520.3299162891. The cubic root of 5405238911 is about 1754.9778176486.

The spelling of 5405238911 in words is "five billion, four hundred five million, two hundred thirty-eight thousand, nine hundred eleven".