555610561105 has 8 divisors (see below), whose sum is σ = 666738675432. Its totient is φ = 444484447488.

The previous prime is 555610561067. The next prime is 555610561127. The reversal of 555610561105 is 501165016555.

It can be written as a sum of positive squares in 4 ways, for example, as 90884763841 + 464725797264 = 301471^2 + 681708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555610561105 - 2²³ = 555602172497 is a prime.

It is a super-2 number, since 2×555610561105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199849 + ... + 1072921.

It is an arithmetic number, because the mean of its divisors is an integer number (83342334429).

Almost surely, 2^555610561105 is an apocalyptic number.

It is an amenable number.

555610561105 is a deficient number, since it is larger than the sum of its proper divisors (111128114327).

555610561105 is a wasteful number, since it uses less digits than its factorization.

555610561105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000355.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 555610561105 in words is "five hundred fifty-five billion, six hundred ten million, five hundred sixty-one thousand, one hundred five".