2606115541 has 2 divisors, whose sum is σ = 2606115542. Its totient is φ = 2606115540.

The previous prime is 2606115503. The next prime is 2606115559. The reversal of 2606115541 is 1455116062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2068339441 + 537776100 = 45479^2 + 23190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2606115541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606115581) 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, 1303057770 + 1303057771.

It is an arithmetic number, because the mean of its divisors is an integer number (1303057771).

Almost surely, 2^2606115541 is an apocalyptic number.

It is an amenable number.

2606115541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606115541 is an equidigital number, since it uses as much as digits as its factorization.

2606115541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 2606115541 is about 51050.1277275581. The cubic root of 2606115541 is about 1376.1461369954.

The spelling of 2606115541 in words is "two billion, six hundred six million, one hundred fifteen thousand, five hundred forty-one".