551121411 has 16 divisors (see below), whose sum is σ = 760991616. Its totient is φ = 354539136.

The previous prime is 551121407. The next prime is 551121413. The reversal of 551121411 is 114121155.

It is not a de Polignac number, because 551121411 - 2² = 551121407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551121413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15030 + ... + 36443.

It is an arithmetic number, because the mean of its divisors is an integer number (47561976).

Almost surely, 2^551121411 is an apocalyptic number.

551121411 is a deficient number, since it is larger than the sum of its proper divisors (209870205).

551121411 is a wasteful number, since it uses less digits than its factorization.

551121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51602.

The product of its digits is 200, while the sum is 21.

The square root of 551121411 is about 23475.9751874123. The cubic root of 551121411 is about 819.8777385634.

Adding to 551121411 its reverse (114121155), we get a palindrome (665242566).

The spelling of 551121411 in words is "five hundred fifty-one million, one hundred twenty-one thousand, four hundred eleven".