611056100551 has 16 divisors (see below), whose sum is σ = 720796406400. Its totient is φ = 512566322688.

The previous prime is 611056100533. The next prime is 611056100591. The reversal of 611056100551 is 155001650116.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611056100551 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 (611056100591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47665311 + ... + 47678128.

It is an arithmetic number, because the mean of its divisors is an integer number (45049775400).

Almost surely, 2^611056100551 is an apocalyptic number.

611056100551 is a deficient number, since it is larger than the sum of its proper divisors (109740305849).

611056100551 is a wasteful number, since it uses less digits than its factorization.

611056100551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95343498.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 611056100551 its reverse (155001650116), we get a palindrome (766057750667).

The spelling of 611056100551 in words is "six hundred eleven billion, fifty-six million, one hundred thousand, five hundred fifty-one".