6551561551010 has 64 divisors (see below), whose sum is σ = 13538485981440. Its totient is φ = 2236087392000.

The previous prime is 6551561550763. The next prime is 6551561551109. The reversal of 6551561551010 is 101551651556.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170146760 + ... + 170185260.

It is an arithmetic number, because the mean of its divisors is an integer number (211538843460).

Almost surely, 2^{6551561551010} is an apocalyptic number.

6551561551010 is an abundant number, since it is smaller than the sum of its proper divisors (6986924430430).

6551561551010 is a wasteful number, since it uses less digits than its factorization.

6551561551010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49451.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 6551561551010 in words is "six trillion, five hundred fifty-one billion, five hundred sixty-one million, five hundred fifty-one thousand, ten".