555116515105 has 4 divisors (see below), whose sum is σ = 666139818132. Its totient is φ = 444093212080.

The previous prime is 555116515103. The next prime is 555116515133. The reversal of 555116515105 is 501515611555.

It is a happy number.

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 303670429969 + 251446085136 = 551063^2 + 501444^2 .

It is not a de Polignac number, because 555116515105 - 2¹ = 555116515103 is a prime.

It is a super-2 number, since 2×555116515105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555116515103) 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 3 ways as a sum of consecutive naturals, for example, 55511651506 + ... + 55511651515.

It is an arithmetic number, because the mean of its divisors is an integer number (166534954533).

Almost surely, 2^555116515105 is an apocalyptic number.

It is an amenable number.

555116515105 is a deficient number, since it is larger than the sum of its proper divisors (111023303027).

555116515105 is a wasteful number, since it uses less digits than its factorization.

555116515105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111023303026.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 555116515105 in words is "five hundred fifty-five billion, one hundred sixteen million, five hundred fifteen thousand, one hundred five".