4111557361 has 2 divisors, whose sum is σ = 4111557362. Its totient is φ = 4111557360.

The previous prime is 4111557313. The next prime is 4111557397. The reversal of 4111557361 is 1637551114.

4111557361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939947361 + 171610000 = 62769^2 + 13100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4111557361 - 2²⁷ = 3977339633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4111557061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055778680 + 2055778681.

It is an arithmetic number, because the mean of its divisors is an integer number (2055778681).

Almost surely, 2^4111557361 is an apocalyptic number.

It is an amenable number.

4111557361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4111557361 is an equidigital number, since it uses as much as digits as its factorization.

4111557361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The square root of 4111557361 is about 64121.4266918633. The cubic root of 4111557361 is about 1602.0231387870.

The spelling of 4111557361 in words is "four billion, one hundred eleven million, five hundred fifty-seven thousand, three hundred sixty-one".