25065122655 has 32 divisors (see below), whose sum is σ = 41152224960. Its totient is φ = 13019832320.

The previous prime is 25065122653. The next prime is 25065122659. The reversal of 25065122655 is 55622156052.

It is not a de Polignac number, because 25065122655 - 2¹ = 25065122653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25065122651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330331 + ... + 399059.

It is an arithmetic number, because the mean of its divisors is an integer number (1286007030).

Almost surely, 2^25065122655 is an apocalyptic number.

25065122655 is a deficient number, since it is larger than the sum of its proper divisors (16087102305).

25065122655 is a wasteful number, since it uses less digits than its factorization.

25065122655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69371.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 25065122655 in words is "twenty-five billion, sixty-five million, one hundred twenty-two thousand, six hundred fifty-five".