6555201021711 has 48 divisors (see below), whose sum is σ = 9511452306720. Its totient is φ = 4350432307200.

The previous prime is 6555201021671. The next prime is 6555201021793. The reversal of 6555201021711 is 1171201025556.

6555201021711 is a `hidden beast` number, since 6 + 5 + 5 + 520 + 102 + 17 + 11 = 666.

It is not a de Polignac number, because 6555201021711 - 2⁷ = 6555201021583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555201421711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4220991511 + ... + 4220993063.

It is an arithmetic number, because the mean of its divisors is an integer number (198155256390).

Almost surely, 2^{6555201021711} is an apocalyptic number.

6555201021711 is a deficient number, since it is larger than the sum of its proper divisors (2956251285009).

6555201021711 is a wasteful number, since it uses less digits than its factorization.

6555201021711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The spelling of 6555201021711 in words is "six trillion, five hundred fifty-five billion, two hundred one million, twenty-one thousand, seven hundred eleven".