2641155061 has 2 divisors, whose sum is σ = 2641155062. Its totient is φ = 2641155060.

The previous prime is 2641155031. The next prime is 2641155079. The reversal of 2641155061 is 1605511462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2631074436 + 10080625 = 51294^2 + 3175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641155061 - 2¹⁵ = 2641122293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641155031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320577530 + 1320577531.

It is an arithmetic number, because the mean of its divisors is an integer number (1320577531).

Almost surely, 2^2641155061 is an apocalyptic number.

It is an amenable number.

2641155061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641155061 is an equidigital number, since it uses as much as digits as its factorization.

2641155061 is an evil number, because the sum of its binary digits is even.

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

The square root of 2641155061 is about 51392.1692575824. The cubic root of 2641155061 is about 1382.2861812687.

The spelling of 2641155061 in words is "two billion, six hundred forty-one million, one hundred fifty-five thousand, sixty-one".