6155161228771 has 2 divisors, whose sum is σ = 6155161228772. Its totient is φ = 6155161228770.

The previous prime is 6155161228759. The next prime is 6155161228807. The reversal of 6155161228771 is 1778221615516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6155161228771 - 2¹⁷ = 6155161097699 is a prime.

It is not a weakly prime, because it can be changed into another prime (6155161228721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077580614385 + 3077580614386.

It is an arithmetic number, because the mean of its divisors is an integer number (3077580614386).

Almost surely, 2^{6155161228771} is an apocalyptic number.

6155161228771 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155161228771 is an equidigital number, since it uses as much as digits as its factorization.

6155161228771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 52.

The spelling of 6155161228771 in words is "six trillion, one hundred fifty-five billion, one hundred sixty-one million, two hundred twenty-eight thousand, seven hundred seventy-one".