25124441011 has 2 divisors, whose sum is σ = 25124441012. Its totient is φ = 25124441010.

The previous prime is 25124440993. The next prime is 25124441051. The reversal of 25124441011 is 11014442152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25124441011 - 2⁷ = 25124440883 is a prime.

It is a super-2 number, since 2×25124441011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25124441051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562220505 + 12562220506.

It is an arithmetic number, because the mean of its divisors is an integer number (12562220506).

Almost surely, 2^25124441011 is an apocalyptic number.

25124441011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25124441011 is an equidigital number, since it uses as much as digits as its factorization.

25124441011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 25124441011 its reverse (11014442152), we get a palindrome (36138883163).

The spelling of 25124441011 in words is "twenty-five billion, one hundred twenty-four million, four hundred forty-one thousand, eleven".