6112660126721 has 8 divisors (see below), whose sum is σ = 6213469575144. Its totient is φ = 6011870094720.

The previous prime is 6112660126711. The next prime is 6112660126757. The reversal of 6112660126721 is 1276210662116.

It can be written as a sum of positive squares in 4 ways, for example, as 1543706851600 + 4568953275121 = 1242460^2 + 2137511^2 .

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 6112660126721 - 2²⁶ = 6112593017857 is a prime.

It is a super-2 number, since 2×6112660126721² (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 (6112660126711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4218596 + ... + 5479221.

It is an arithmetic number, because the mean of its divisors is an integer number (776683696893).

Almost surely, 2^{6112660126721} is an apocalyptic number.

6112660126721 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6112660126721 is a deficient number, since it is larger than the sum of its proper divisors (100809448423).

6112660126721 is a wasteful number, since it uses less digits than its factorization.

6112660126721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9708211.

The product of its (nonzero) digits is 72576, while the sum is 41.

Adding to 6112660126721 its reverse (1276210662116), we get a palindrome (7388870788837).

The spelling of 6112660126721 in words is "six trillion, one hundred twelve billion, six hundred sixty million, one hundred twenty-six thousand, seven hundred twenty-one".