551101060105 has 4 divisors (see below), whose sum is σ = 661321272132. Its totient is φ = 440880848080.

The previous prime is 551101060091. The next prime is 551101060109. The reversal of 551101060105 is 501060101155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113608769481 + 437492290624 = 337059^2 + 661432^2 .

It is not a de Polignac number, because 551101060105 - 2¹³ = 551101051913 is a prime.

It is a super-2 number, since 2×551101060105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551101060105.

It is not an unprimeable number, because it can be changed into a prime (551101060109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55110106006 + ... + 55110106015.

It is an arithmetic number, because the mean of its divisors is an integer number (165330318033).

Almost surely, 2^551101060105 is an apocalyptic number.

It is an amenable number.

551101060105 is a deficient number, since it is larger than the sum of its proper divisors (110220212027).

551101060105 is a wasteful number, since it uses less digits than its factorization.

551101060105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110220212026.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 551101060105 in words is "five hundred fifty-one billion, one hundred one million, sixty thousand, one hundred five".