25623145115 has 8 divisors (see below), whose sum is σ = 32366078160. Its totient is φ = 19419646752.

The previous prime is 25623145109. The next prime is 25623145151. The reversal of 25623145115 is 51154132652.

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 25623145115 - 2¹⁴ = 25623128731 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 134858564 + ... + 134858753.

It is an arithmetic number, because the mean of its divisors is an integer number (4045759770).

Almost surely, 2^25623145115 is an apocalyptic number.

25623145115 is a deficient number, since it is larger than the sum of its proper divisors (6742933045).

25623145115 is a wasteful number, since it uses less digits than its factorization.

25623145115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269717341.

The product of its digits is 36000, while the sum is 35.

Adding to 25623145115 its reverse (51154132652), we get a palindrome (76777277767).

The spelling of 25623145115 in words is "twenty-five billion, six hundred twenty-three million, one hundred forty-five thousand, one hundred fifteen".