25255311361 has 8 divisors (see below), whose sum is σ = 28945918400. Its totient is φ = 21585380688.

The previous prime is 25255311359. The next prime is 25255311383. The reversal of 25255311361 is 16311355252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25255311361 - 2¹ = 25255311359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25255311331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5166471 + ... + 5171356.

It is an arithmetic number, because the mean of its divisors is an integer number (3618239800).

Almost surely, 2^25255311361 is an apocalyptic number.

It is an amenable number.

25255311361 is a deficient number, since it is larger than the sum of its proper divisors (3690607039).

25255311361 is a wasteful number, since it uses less digits than its factorization.

25255311361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338183.

The product of its digits is 27000, while the sum is 34.

The spelling of 25255311361 in words is "twenty-five billion, two hundred fifty-five million, three hundred eleven thousand, three hundred sixty-one".