611411563 has 16 divisors (see below), whose sum is σ = 714340800. Its totient is φ = 523094208.

The previous prime is 611411527. The next prime is 611411609. The reversal of 611411563 is 365114116.

611411563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 611411563 - 2²¹ = 609314411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611411503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230895 + ... + 233527.

It is an arithmetic number, because the mean of its divisors is an integer number (44646300).

Almost surely, 2^611411563 is an apocalyptic number.

611411563 is a deficient number, since it is larger than the sum of its proper divisors (102929237).

611411563 is an equidigital number, since it uses as much as digits as its factorization.

611411563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331 (or 3317 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 611411563 is about 24726.7378155712. The cubic root of 611411563 is about 848.7462776611.

Adding to 611411563 its reverse (365114116), we get a palindrome (976525679).

The spelling of 611411563 in words is "six hundred eleven million, four hundred eleven thousand, five hundred sixty-three".