555261949162555 has 32 divisors (see below), whose sum is σ = 678080588613120. Its totient is φ = 436440324579840.

The previous prime is 555261949162507. The next prime is 555261949162567.

555261949162555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555261949162555 - 2⁴⁷ = 414524460807227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68050195 + ... + 75771715.

It is an arithmetic number, because the mean of its divisors is an integer number (21190018394160).

Almost surely, 2^{555261949162555} is an apocalyptic number.

555261949162555 is a deficient number, since it is larger than the sum of its proper divisors (122818639450565).

555261949162555 is a wasteful number, since it uses less digits than its factorization.

555261949162555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722739.

The product of its digits is 729000000, while the sum is 70.

The spelling of 555261949162555 in words is "five hundred fifty-five trillion, two hundred sixty-one billion, nine hundred forty-nine million, one hundred sixty-two thousand, five hundred fifty-five".