555659999999999 has 4 divisors (see below), whose sum is σ = 555660200756064. Its totient is φ = 555659799243936.

The previous prime is 555659999999987. The next prime is 555660000000097. The reversal of 555659999999999 is 999999999956555.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555659999999999 is a prime.

It is a super-9 number, since 9×555659999999999⁹ (a number of 134 digits) contains 999999999 as substring.

It is a Duffinian number.

555659999999999 is a modest number, since divided by 99999999 gives 5556599 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555659999999939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96167402 + ... + 101781575.

It is an arithmetic number, because the mean of its divisors is an integer number (138915050189016).

Almost surely, 2^{555659999999999} is an apocalyptic number.

555659999999999 is a deficient number, since it is larger than the sum of its proper divisors (200756065).

555659999999999 is a wasteful number, since it uses less digits than its factorization.

555659999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200756064.

The product of its digits is 13075441503750, while the sum is 116.

The spelling of 555659999999999 in words is "five hundred fifty-five trillion, six hundred fifty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".