25023915435 has 16 divisors (see below), whose sum is σ = 40278018816. Its totient is φ = 13266170208.

The previous prime is 25023915419. The next prime is 25023915437. The reversal of 25023915435 is 53451932052.

It is not a de Polignac number, because 25023915435 - 2⁴ = 25023915419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25023915393 and 25023915402.

It is not an unprimeable number, because it can be changed into a prime (25023915437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4992289 + ... + 4997298.

It is an arithmetic number, because the mean of its divisors is an integer number (2517376176).

Almost surely, 2^25023915435 is an apocalyptic number.

25023915435 is a deficient number, since it is larger than the sum of its proper divisors (15254103381).

25023915435 is a wasteful number, since it uses less digits than its factorization.

25023915435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9989762.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 25023915435 in words is "twenty-five billion, twenty-three million, nine hundred fifteen thousand, four hundred thirty-five".