25445733011 has 2 divisors, whose sum is σ = 25445733012. Its totient is φ = 25445733010.

The previous prime is 25445732989. The next prime is 25445733029. The reversal of 25445733011 is 11033754452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25445733011 is a prime.

It is a super-2 number, since 2×25445733011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25445733041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12722866505 + 12722866506.

It is an arithmetic number, because the mean of its divisors is an integer number (12722866506).

Almost surely, 2^25445733011 is an apocalyptic number.

25445733011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25445733011 is an equidigital number, since it uses as much as digits as its factorization.

25445733011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 25445733011 in words is "twenty-five billion, four hundred forty-five million, seven hundred thirty-three thousand, eleven".