6113163276221 has 4 divisors (see below), whose sum is σ = 6113337718944. Its totient is φ = 6112988833500.

The previous prime is 6113163276211. The next prime is 6113163276239. The reversal of 6113163276221 is 1226723613116.

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 6113163276221 - 2²² = 6113159081917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113163276211) 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, 87168785 + ... + 87238886.

It is an arithmetic number, because the mean of its divisors is an integer number (1528334429736).

Almost surely, 2^{6113163276221} is an apocalyptic number.

It is an amenable number.

6113163276221 is a deficient number, since it is larger than the sum of its proper divisors (174442723).

6113163276221 is a wasteful number, since it uses less digits than its factorization.

6113163276221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174442722.

The product of its digits is 108864, while the sum is 41.

Adding to 6113163276221 its reverse (1226723613116), we get a palindrome (7339886889337).

The spelling of 6113163276221 in words is "six trillion, one hundred thirteen billion, one hundred sixty-three million, two hundred seventy-six thousand, two hundred twenty-one".