25776116011 has 2 divisors, whose sum is σ = 25776116012. Its totient is φ = 25776116010.

The previous prime is 25776115993. The next prime is 25776116021. The reversal of 25776116011 is 11061167752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25776116011 - 2¹⁵ = 25776083243 is a prime.

It is a super-2 number, since 2×25776116011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25776116021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12888058005 + 12888058006.

It is an arithmetic number, because the mean of its divisors is an integer number (12888058006).

Almost surely, 2^25776116011 is an apocalyptic number.

25776116011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25776116011 is an equidigital number, since it uses as much as digits as its factorization.

25776116011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 25776116011 in words is "twenty-five billion, seven hundred seventy-six million, one hundred sixteen thousand, eleven".