611010550551 has 16 divisors (see below), whose sum is σ = 858087827840. Its totient is φ = 385663278240.

The previous prime is 611010550453. The next prime is 611010550571. The reversal of 611010550551 is 155055010116.

It is not a de Polignac number, because 611010550551 - 2¹¹ = 611010548503 is a prime.

It is a super-2 number, since 2×611010550551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611010550571) 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, 3214045 + ... + 3398838.

It is an arithmetic number, because the mean of its divisors is an integer number (53630489240).

Almost surely, 2^611010550551 is an apocalyptic number.

611010550551 is a deficient number, since it is larger than the sum of its proper divisors (247077277289).

611010550551 is a wasteful number, since it uses less digits than its factorization.

611010550551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614526.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 611010550551 its reverse (155055010116), we get a palindrome (766065560667).

The spelling of 611010550551 in words is "six hundred eleven billion, ten million, five hundred fifty thousand, five hundred fifty-one".