404135022311 has 2 divisors, whose sum is σ = 404135022312. Its totient is φ = 404135022310.

The previous prime is 404135022271. The next prime is 404135022337. The reversal of 404135022311 is 113220531404.

It is a happy number.

It is an a-pointer prime, because the next prime (404135022337) can be obtained adding 404135022311 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404135022311 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404135022211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202067511155 + 202067511156.

It is an arithmetic number, because the mean of its divisors is an integer number (202067511156).

Almost surely, 2^404135022311 is an apocalyptic number.

404135022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

404135022311 is an equidigital number, since it uses as much as digits as its factorization.

404135022311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 404135022311 its reverse (113220531404), we get a palindrome (517355553715).

The spelling of 404135022311 in words is "four hundred four billion, one hundred thirty-five million, twenty-two thousand, three hundred eleven".