25085163535 has 32 divisors (see below), whose sum is σ = 33858475200. Its totient is φ = 17729280000.

The previous prime is 25085163491. The next prime is 25085163547. The reversal of 25085163535 is 53536158052.

It is not a de Polignac number, because 25085163535 - 2¹⁷ = 25085032463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25085163491 and 25085163500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104785 + ... + 247285.

It is an arithmetic number, because the mean of its divisors is an integer number (1058077350).

Almost surely, 2^25085163535 is an apocalyptic number.

25085163535 is a deficient number, since it is larger than the sum of its proper divisors (8773311665).

25085163535 is a wasteful number, since it uses less digits than its factorization.

25085163535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142651.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 25085163535 in words is "twenty-five billion, eighty-five million, one hundred sixty-three thousand, five hundred thirty-five".