2155002041 has 2 divisors, whose sum is σ = 2155002042. Its totient is φ = 2155002040.

The previous prime is 2155002023. The next prime is 2155002071. The reversal of 2155002041 is 1402005512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152960000 + 2042041 = 46400^2 + 1429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155002041 - 2³⁰ = 1081260217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2155002001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077501020 + 1077501021.

It is an arithmetic number, because the mean of its divisors is an integer number (1077501021).

Almost surely, 2^2155002041 is an apocalyptic number.

It is an amenable number.

2155002041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155002041 is an equidigital number, since it uses as much as digits as its factorization.

2155002041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2155002041 is about 46421.9995368575. Note that the first 3 decimals coincide. The cubic root of 2155002041 is about 1291.6630277210.

Adding to 2155002041 its reverse (1402005512), we get a palindrome (3557007553).

The spelling of 2155002041 in words is "two billion, one hundred fifty-five million, two thousand, forty-one".