402104242511 has 2 divisors, whose sum is σ = 402104242512. Its totient is φ = 402104242510.

The previous prime is 402104242489. The next prime is 402104242513. The reversal of 402104242511 is 115242401204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402104242511 - 2³⁸ = 127226335567 is a prime.

Together with 402104242513, 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 (402104242513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201052121255 + 201052121256.

It is an arithmetic number, because the mean of its divisors is an integer number (201052121256).

Almost surely, 2^402104242511 is an apocalyptic number.

402104242511 is a deficient number, since it is larger than the sum of its proper divisors (1).

402104242511 is an equidigital number, since it uses as much as digits as its factorization.

402104242511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 402104242511 its reverse (115242401204), we get a palindrome (517346643715).

The spelling of 402104242511 in words is "four hundred two billion, one hundred four million, two hundred forty-two thousand, five hundred eleven".