25780092011 has 2 divisors, whose sum is σ = 25780092012. Its totient is φ = 25780092010.

The previous prime is 25780092007. The next prime is 25780092071. The reversal of 25780092011 is 11029008752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25780092011 - 2² = 25780092007 is a prime.

It is a super-2 number, since 2×25780092011² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25780092071) 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, 12890046005 + 12890046006.

It is an arithmetic number, because the mean of its divisors is an integer number (12890046006).

Almost surely, 2^25780092011 is an apocalyptic number.

25780092011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25780092011 is an equidigital number, since it uses as much as digits as its factorization.

25780092011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 25780092011 in words is "twenty-five billion, seven hundred eighty million, ninety-two thousand, eleven".