551001010111 has 8 divisors (see below), whose sum is σ = 579346568064. Its totient is φ = 523021201560.

The previous prime is 551001010093. The next prime is 551001010163. The reversal of 551001010111 is 111010100155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551001010111 - 2¹⁵ = 551000977343 is a prime.

It is a super-2 number, since 2×551001010111² (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 (551001010711) 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 7 ways as a sum of consecutive naturals, for example, 91434261 + ... + 91440286.

It is an arithmetic number, because the mean of its divisors is an integer number (72418321008).

Almost surely, 2^551001010111 is an apocalyptic number.

551001010111 is a deficient number, since it is larger than the sum of its proper divisors (28345557953).

551001010111 is a wasteful number, since it uses less digits than its factorization.

551001010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182874701.

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 551001010111 its reverse (111010100155), we get a palindrome (662011110266).

The spelling of 551001010111 in words is "five hundred fifty-one billion, one million, ten thousand, one hundred eleven".