25870398103 has 20 divisors (see below), whose sum is σ = 28564472200. Its totient is φ = 23429965680.

The previous prime is 25870398011. The next prime is 25870398131. The reversal of 25870398103 is 30189307852.

It is not a de Polignac number, because 25870398103 - 2⁹ = 25870397591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25870398133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4052368 + ... + 4058746.

It is an arithmetic number, because the mean of its divisors is an integer number (1428223610).

Almost surely, 2^25870398103 is an apocalyptic number.

25870398103 is a deficient number, since it is larger than the sum of its proper divisors (2694074097).

25870398103 is an frugal number, since it uses more digits than its factorization.

25870398103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700 (or 6667 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 25870398103 in words is "twenty-five billion, eight hundred seventy million, three hundred ninety-eight thousand, one hundred three".