25035134125 has 8 divisors (see below), whose sum is σ = 31243847544. Its totient is φ = 20028107200.

The previous prime is 25035134087. The next prime is 25035134143. The reversal of 25035134125 is 52143153052.

It can be written as a sum of positive squares in 4 ways, for example, as 1018503396 + 24016630729 = 31914^2 + 154973^2 .

It is not a de Polignac number, because 25035134125 - 2¹⁷ = 25035003053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 100140412 + ... + 100140661.

It is an arithmetic number, because the mean of its divisors is an integer number (3905480943).

Almost surely, 2^25035134125 is an apocalyptic number.

25035134125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25035134125 is a deficient number, since it is larger than the sum of its proper divisors (6208713419).

25035134125 is an equidigital number, since it uses as much as digits as its factorization.

25035134125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200281088 (or 200281078 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 25035134125 its reverse (52143153052), we get a palindrome (77178287177).

The spelling of 25035134125 in words is "twenty-five billion, thirty-five million, one hundred thirty-four thousand, one hundred twenty-five".