551110505101 has 16 divisors (see below), whose sum is σ = 606138467760. Its totient is φ = 497933130240.

The previous prime is 551110505093. The next prime is 551110505111. The reversal of 551110505101 is 101505011155.

It can be written as a sum of positive squares in 8 ways, for example, as 42962511076 + 508147994025 = 207274^2 + 712845^2 .

It is not a de Polignac number, because 551110505101 - 2³ = 551110505093 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 (551110505111) 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, 659896 + ... + 1240033.

It is an arithmetic number, because the mean of its divisors is an integer number (37883654235).

Almost surely, 2^551110505101 is an apocalyptic number.

It is an amenable number.

551110505101 is a deficient number, since it is larger than the sum of its proper divisors (55027962659).

551110505101 is a wasteful number, since it uses less digits than its factorization.

551110505101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900416.

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 551110505101 its reverse (101505011155), we get a palindrome (652615516256).

The spelling of 551110505101 in words is "five hundred fifty-one billion, one hundred ten million, five hundred five thousand, one hundred one".