26070007081 has 2 divisors, whose sum is σ = 26070007082. Its totient is φ = 26070007080.

The previous prime is 26070007049. The next prime is 26070007091. The reversal of 26070007081 is 18070007062.

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., 13684320400 + 12385686681 = 116980^2 + 111291^2 .

It is a cyclic number.

It is not a de Polignac number, because 26070007081 - 2⁵ = 26070007049 is a prime.

It is a super-2 number, since 2×26070007081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26070007021) 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, 13035003540 + 13035003541.

It is an arithmetic number, because the mean of its divisors is an integer number (13035003541).

Almost surely, 2^26070007081 is an apocalyptic number.

It is an amenable number.

26070007081 is a deficient number, since it is larger than the sum of its proper divisors (1).

26070007081 is an equidigital number, since it uses as much as digits as its factorization.

26070007081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 26070007081 in words is "twenty-six billion, seventy million, seven thousand, eighty-one".