25225514515 has 8 divisors (see below), whose sum is σ = 32051242080. Its totient is φ = 18993328512.

The previous prime is 25225514513. The next prime is 25225514533. The reversal of 25225514515 is 51541552252.

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 25225514515 - 2¹ = 25225514513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25225514513) 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, 148385295 + ... + 148385464.

It is an arithmetic number, because the mean of its divisors is an integer number (4006405260).

Almost surely, 2^25225514515 is an apocalyptic number.

25225514515 is a deficient number, since it is larger than the sum of its proper divisors (6825727565).

25225514515 is a wasteful number, since it uses less digits than its factorization.

25225514515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296770781.

The product of its digits is 100000, while the sum is 37.

The spelling of 25225514515 in words is "twenty-five billion, two hundred twenty-five million, five hundred fourteen thousand, five hundred fifteen".