555659999999901 has 12 divisors (see below), whose sum is σ = 830296551724380. Its totient is φ = 357666206896320.

The previous prime is 555659999999893. The next prime is 555659999999927. The reversal of 555659999999901 is 109999999956555.

It can be written as a sum of positive squares in 2 ways, for example, as 296614161800100 + 259045838199801 = 17222490^2 + 16094901^2 .

It is not a de Polignac number, because 555659999999901 - 2³ = 555659999999893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555659999999793 and 555659999999802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555659999999981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1064482758360 + ... + 1064482758881.

It is an arithmetic number, because the mean of its divisors is an integer number (69191379310365).

Almost surely, 2^{555659999999901} is an apocalyptic number.

It is an amenable number.

555659999999901 is a deficient number, since it is larger than the sum of its proper divisors (274636551724479).

555659999999901 is a wasteful number, since it uses less digits than its factorization.

555659999999901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128965517276 (or 2128965517273 counting only the distinct ones).

The product of its (nonzero) digits is 161425203750, while the sum is 99.

The spelling of 555659999999901 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 one".