25235514345 has 32 divisors (see below), whose sum is σ = 40859458560. Its totient is φ = 13298278400.

The previous prime is 25235514341. The next prime is 25235514347. The reversal of 25235514345 is 54341553252.

It is not a de Polignac number, because 25235514345 - 2² = 25235514341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25235514341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2131432 + ... + 2143238.

It is an arithmetic number, because the mean of its divisors is an integer number (1276858080).

Almost surely, 2^25235514345 is an apocalyptic number.

It is an amenable number.

25235514345 is a deficient number, since it is larger than the sum of its proper divisors (15623944215).

25235514345 is a wasteful number, since it uses less digits than its factorization.

25235514345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505.

The product of its digits is 360000, while the sum is 39.

The spelling of 25235514345 in words is "twenty-five billion, two hundred thirty-five million, five hundred fourteen thousand, three hundred forty-five".