6611650505051 has 8 divisors (see below), whose sum is σ = 7262224811520. Its totient is φ = 5991335468712.

The previous prime is 6611650505027. The next prime is 6611650505069. The reversal of 6611650505051 is 1505050561166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6611650505051 - 2⁴² = 2213603993947 is a prime.

It is a super-2 number, since 2×6611650505051² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6611650505011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7564817075 + ... + 7564817948.

It is an arithmetic number, because the mean of its divisors is an integer number (907778101440).

Almost surely, 2^{6611650505051} is an apocalyptic number.

6611650505051 is a deficient number, since it is larger than the sum of its proper divisors (650574306469).

6611650505051 is a wasteful number, since it uses less digits than its factorization.

6611650505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15129635065.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 6611650505051 in words is "six trillion, six hundred eleven billion, six hundred fifty million, five hundred five thousand, fifty-one".