6106655051521 has 4 divisors (see below), whose sum is σ = 6119092231344. Its totient is φ = 6094217871700.

The previous prime is 6106655051507. The next prime is 6106655051573. The reversal of 6106655051521 is 1251505566016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6106655051521 - 2⁹ = 6106655051009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6106655051821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6218589175 + ... + 6218590156.

It is an arithmetic number, because the mean of its divisors is an integer number (1529773057836).

Almost surely, 2^{6106655051521} is an apocalyptic number.

It is an amenable number.

6106655051521 is a deficient number, since it is larger than the sum of its proper divisors (12437179823).

6106655051521 is a wasteful number, since it uses less digits than its factorization.

6106655051521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437179822.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 6106655051521 in words is "six trillion, one hundred six billion, six hundred fifty-five million, fifty-one thousand, five hundred twenty-one".