2405527003861 has 2 divisors, whose sum is σ = 2405527003862. Its totient is φ = 2405527003860.

The previous prime is 2405527003819. The next prime is 2405527003879. The reversal of 2405527003861 is 1683007255042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2351223556900 + 54303446961 = 1533370^2 + 233031^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405527003861 - 2¹⁵ = 2405526971093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405527003801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202763501930 + 1202763501931.

It is an arithmetic number, because the mean of its divisors is an integer number (1202763501931).

Almost surely, 2^{2405527003861} is an apocalyptic number.

It is an amenable number.

2405527003861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405527003861 is an equidigital number, since it uses as much as digits as its factorization.

2405527003861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2405527003861 in words is "two trillion, four hundred five billion, five hundred twenty-seven million, three thousand, eight hundred sixty-one".