551353450111 has 4 divisors (see below), whose sum is σ = 551982132232. Its totient is φ = 550724767992.

The previous prime is 551353450091. The next prime is 551353450133. The reversal of 551353450111 is 111054353155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111054353155 = 5 ⋅22210870631.

It is a cyclic number.

It is not a de Polignac number, because 551353450111 - 2¹⁷ = 551353319039 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 (551353450171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314339745 + ... + 314341498.

It is an arithmetic number, because the mean of its divisors is an integer number (137995533058).

Almost surely, 2^551353450111 is an apocalyptic number.

551353450111 is a deficient number, since it is larger than the sum of its proper divisors (628682121).

551353450111 is an equidigital number, since it uses as much as digits as its factorization.

551353450111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628682120.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 551353450111 in words is "five hundred fifty-one billion, three hundred fifty-three million, four hundred fifty thousand, one hundred eleven".