215077641013 has 2 divisors, whose sum is σ = 215077641014. Its totient is φ = 215077641012.

The previous prime is 215077641007. The next prime is 215077641059. The reversal of 215077641013 is 310146770512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212652866449 + 2424774564 = 461143^2 + 49242^2 .

It is a cyclic number.

It is not a de Polignac number, because 215077641013 - 2²⁵ = 215044086581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215077641413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107538820506 + 107538820507.

It is an arithmetic number, because the mean of its divisors is an integer number (107538820507).

Almost surely, 2^215077641013 is an apocalyptic number.

It is an amenable number.

215077641013 is a deficient number, since it is larger than the sum of its proper divisors (1).

215077641013 is an equidigital number, since it uses as much as digits as its factorization.

215077641013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 215077641013 in words is "two hundred fifteen billion, seventy-seven million, six hundred forty-one thousand, thirteen".