25530365822126 has 32 divisors (see below), whose sum is σ = 42084034812000. Its totient is φ = 11519422387200.

The previous prime is 25530365822113. The next prime is 25530365822149. The reversal of 25530365822126 is 62122856303552.

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 15 ways as a sum of consecutive naturals, for example, 62333366 + ... + 62741606.

It is an arithmetic number, because the mean of its divisors is an integer number (1315126087875).

Almost surely, 2^{25530365822126} is an apocalyptic number.

25530365822126 is a deficient number, since it is larger than the sum of its proper divisors (16553668989874).

25530365822126 is a wasteful number, since it uses less digits than its factorization.

25530365822126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429140.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 25530365822126 in words is "twenty-five trillion, five hundred thirty billion, three hundred sixty-five million, eight hundred twenty-two thousand, one hundred twenty-six".