25224178961 has 8 divisors (see below), whose sum is σ = 27106581600. Its totient is φ = 23386068288.

The previous prime is 25224178951. The next prime is 25224179009. The reversal of 25224178961 is 16987142252.

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 25224178961 - 2¹⁴ = 25224162577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25224178951) 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, 11071811 + ... + 11074088.

It is an arithmetic number, because the mean of its divisors is an integer number (3388322700).

Almost surely, 2^25224178961 is an apocalyptic number.

It is an amenable number.

25224178961 is a deficient number, since it is larger than the sum of its proper divisors (1882402639).

25224178961 is a wasteful number, since it uses less digits than its factorization.

25224178961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22145983.

The product of its digits is 483840, while the sum is 47.

The spelling of 25224178961 in words is "twenty-five billion, two hundred twenty-four million, one hundred seventy-eight thousand, nine hundred sixty-one".