25614511129 has 2 divisors, whose sum is σ = 25614511130. Its totient is φ = 25614511128.

The previous prime is 25614511127. The next prime is 25614511147. The reversal of 25614511129 is 92111541652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20369854729 + 5244656400 = 142723^2 + 72420^2 .

It is a cyclic number.

It is not a de Polignac number, because 25614511129 - 2¹ = 25614511127 is a prime.

It is a super-2 number, since 2×25614511129² (a number of 22 digits) contains 22 as substring.

Together with 25614511127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25614511123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12807255564 + 12807255565.

It is an arithmetic number, because the mean of its divisors is an integer number (12807255565).

Almost surely, 2^25614511129 is an apocalyptic number.

It is an amenable number.

25614511129 is a deficient number, since it is larger than the sum of its proper divisors (1).

25614511129 is an equidigital number, since it uses as much as digits as its factorization.

25614511129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 37.

The spelling of 25614511129 in words is "twenty-five billion, six hundred fourteen million, five hundred eleven thousand, one hundred twenty-nine".