26261316541 has 2 divisors, whose sum is σ = 26261316542. Its totient is φ = 26261316540.

The previous prime is 26261316493. The next prime is 26261316547. The reversal of 26261316541 is 14561316262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23082724900 + 3178591641 = 151930^2 + 56379^2 .

It is a cyclic number.

It is not a de Polignac number, because 26261316541 - 2²⁷ = 26127098813 is a prime.

It is a super-3 number, since 3×26261316541³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26261316541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26261316547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130658270 + 13130658271.

It is an arithmetic number, because the mean of its divisors is an integer number (13130658271).

Almost surely, 2^26261316541 is an apocalyptic number.

It is an amenable number.

26261316541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26261316541 is an equidigital number, since it uses as much as digits as its factorization.

26261316541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The spelling of 26261316541 in words is "twenty-six billion, two hundred sixty-one million, three hundred sixteen thousand, five hundred forty-one".