3401256511 has 2 divisors, whose sum is σ = 3401256512. Its totient is φ = 3401256510.

The previous prime is 3401256493. The next prime is 3401256533. The reversal of 3401256511 is 1156521043.

It is a weak prime.

It is an emirp because it is prime and its reverse (1156521043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3401256511 - 2⁹ = 3401255999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3401256511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401256571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700628255 + 1700628256.

It is an arithmetic number, because the mean of its divisors is an integer number (1700628256).

Almost surely, 2^3401256511 is an apocalyptic number.

3401256511 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401256511 is an equidigital number, since it uses as much as digits as its factorization.

3401256511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 3401256511 is about 58320.2924461118. The cubic root of 3401256511 is about 1503.8798095478.

Adding to 3401256511 its reverse (1156521043), we get a palindrome (4557777554).

The spelling of 3401256511 in words is "three billion, four hundred one million, two hundred fifty-six thousand, five hundred eleven".