611701689287 has 24 divisors (see below), whose sum is σ = 702434695680. Its totient is φ = 530602475520.

The previous prime is 611701689251. The next prime is 611701689301. The reversal of 611701689287 is 782986107116.

It is a happy number.

It is not a de Polignac number, because 611701689287 - 2¹⁰ = 611701688263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611701689787) 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 23 ways as a sum of consecutive naturals, for example, 1675514 + ... + 2007672.

It is an arithmetic number, because the mean of its divisors is an integer number (29268112320).

Almost surely, 2^611701689287 is an apocalyptic number.

611701689287 is a deficient number, since it is larger than the sum of its proper divisors (90733006393).

611701689287 is a wasteful number, since it uses less digits than its factorization.

611701689287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332843 (or 332830 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 56.

The spelling of 611701689287 in words is "six hundred eleven billion, seven hundred one million, six hundred eighty-nine thousand, two hundred eighty-seven".