6010661555501 has 4 divisors (see below), whose sum is σ = 6217925747100. Its totient is φ = 5803397363904.

The previous prime is 6010661555441. The next prime is 6010661555519. The reversal of 6010661555501 is 1055551660106.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2120812602601 + 3889848952900 = 1456301^2 + 1972270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6010661555501 is a prime.

It is a super-2 number, since 2×6010661555501² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6010661555551) 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, 103632095756 + ... + 103632095813.

It is an arithmetic number, because the mean of its divisors is an integer number (1554481436775).

Almost surely, 2^{6010661555501} is an apocalyptic number.

It is an amenable number.

6010661555501 is a deficient number, since it is larger than the sum of its proper divisors (207264191599).

6010661555501 is a wasteful number, since it uses less digits than its factorization.

6010661555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207264191598.

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

The spelling of 6010661555501 in words is "six trillion, ten billion, six hundred sixty-one million, five hundred fifty-five thousand, five hundred one".