25078810793245 has 8 divisors (see below), whose sum is σ = 32830443220320. Its totient is φ = 18239135122320.

The previous prime is 25078810793243. The next prime is 25078810793263. The reversal of 25078810793245 is 54239701887052.

It is a happy number.

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

It is not a de Polignac number, because 25078810793245 - 2¹ = 25078810793243 is a prime.

It is a super-2 number, since 2×25078810793245² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25078810793243) 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, 227989188975 + ... + 227989189084.

It is an arithmetic number, because the mean of its divisors is an integer number (4103805402540).

Almost surely, 2^{25078810793245} is an apocalyptic number.

It is an amenable number.

25078810793245 is a deficient number, since it is larger than the sum of its proper divisors (7751632427075).

25078810793245 is a wasteful number, since it uses less digits than its factorization.

25078810793245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455978378075.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 25078810793245 in words is "twenty-five trillion, seventy-eight billion, eight hundred ten million, seven hundred ninety-three thousand, two hundred forty-five".