26031301061 has 2 divisors, whose sum is σ = 26031301062. Its totient is φ = 26031301060.

The previous prime is 26031301003. The next prime is 26031301091. The reversal of 26031301061 is 16010313062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24156930625 + 1874370436 = 155425^2 + 43294^2 .

It is a cyclic number.

It is not a de Polignac number, because 26031301061 - 2³⁴ = 8851431877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26031301091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13015650530 + 13015650531.

It is an arithmetic number, because the mean of its divisors is an integer number (13015650531).

Almost surely, 2^26031301061 is an apocalyptic number.

It is an amenable number.

26031301061 is a deficient number, since it is larger than the sum of its proper divisors (1).

26031301061 is an equidigital number, since it uses as much as digits as its factorization.

26031301061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 26031301061 in words is "twenty-six billion, thirty-one million, three hundred one thousand, sixty-one".