6655556150001 has 18 divisors (see below), whose sum is σ = 10566994109490. Its totient is φ = 4033670393280.

The previous prime is 6655556149981. The next prime is 6655556150017. The reversal of 6655556150001 is 1000516555566.

6655556150001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4902686068401 + 1752870081600 = 2214201^2 + 1323960^2 .

It is not a de Polignac number, because 6655556150001 - 2⁵ = 6655556149969 is a prime.

It is a super-2 number, since 2×6655556150001² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6655556150071) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3055809816 + ... + 3055811993.

It is an arithmetic number, because the mean of its divisors is an integer number (587055228305).

Almost surely, 2^{6655556150001} is an apocalyptic number.

It is an amenable number.

6655556150001 is a deficient number, since it is larger than the sum of its proper divisors (3911437959489).

6655556150001 is a wasteful number, since it uses less digits than its factorization.

6655556150001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111621837 (or 6111621823 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 6655556150001 in words is "six trillion, six hundred fifty-five billion, five hundred fifty-six million, one hundred fifty thousand, one".