26011261049 has 2 divisors, whose sum is σ = 26011261050. Its totient is φ = 26011261048.

The previous prime is 26011261037. The next prime is 26011261069. The reversal of 26011261049 is 94016211062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25179342400 + 831918649 = 158680^2 + 28843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26011261049 is a prime.

It is not a weakly prime, because it can be changed into another prime (26011261069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005630524 + 13005630525.

It is an arithmetic number, because the mean of its divisors is an integer number (13005630525).

Almost surely, 2^26011261049 is an apocalyptic number.

It is an amenable number.

26011261049 is a deficient number, since it is larger than the sum of its proper divisors (1).

26011261049 is an equidigital number, since it uses as much as digits as its factorization.

26011261049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 26011261049 in words is "twenty-six billion, eleven million, two hundred sixty-one thousand, forty-nine".