611413434611 has 4 divisors (see below), whose sum is σ = 698758210992. Its totient is φ = 524068658232.

The previous prime is 611413434581. The next prime is 611413434613. The reversal of 611413434611 is 116434314116.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 611413434611 - 2⁶ = 611413434547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611413434613) 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 in 3 ways as a sum of consecutive naturals, for example, 43672388180 + ... + 43672388193.

It is an arithmetic number, because the mean of its divisors is an integer number (174689552748).

Almost surely, 2^611413434611 is an apocalyptic number.

611413434611 is a deficient number, since it is larger than the sum of its proper divisors (87344776381).

611413434611 is an equidigital number, since it uses as much as digits as its factorization.

611413434611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87344776380.

The product of its digits is 20736, while the sum is 35.

Adding to 611413434611 its reverse (116434314116), we get a palindrome (727847748727).

The spelling of 611413434611 in words is "six hundred eleven billion, four hundred thirteen million, four hundred thirty-four thousand, six hundred eleven".