6155124149 has 2 divisors, whose sum is σ = 6155124150. Its totient is φ = 6155124148.

The previous prime is 6155124109. The next prime is 6155124163. The reversal of 6155124149 is 9414215516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5239153924 + 915970225 = 72382^2 + 30265^2 .

It is a cyclic number.

It is not a de Polignac number, because 6155124149 - 2²⁴ = 6138346933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6155124109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077562074 + 3077562075.

It is an arithmetic number, because the mean of its divisors is an integer number (3077562075).

Almost surely, 2^6155124149 is an apocalyptic number.

It is an amenable number.

6155124149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155124149 is an equidigital number, since it uses as much as digits as its factorization.

6155124149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 6155124149 is about 78454.5992851917. The cubic root of 6155124149 is about 1832.6475011291.

The spelling of 6155124149 in words is "six billion, one hundred fifty-five million, one hundred twenty-four thousand, one hundred forty-nine".