25028245011 has 32 divisors (see below), whose sum is σ = 41616880128. Its totient is φ = 12998096640.

The previous prime is 25028245001. The next prime is 25028245027. The reversal of 25028245011 is 11054282052.

It is not a de Polignac number, because 25028245011 - 2⁵ = 25028244979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25028245011.

It is not an unprimeable number, because it can be changed into a prime (25028245001) 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 31 ways as a sum of consecutive naturals, for example, 961281 + ... + 986973.

It is an arithmetic number, because the mean of its divisors is an integer number (1300527504).

Almost surely, 2^25028245011 is an apocalyptic number.

25028245011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

25028245011 is a deficient number, since it is larger than the sum of its proper divisors (16588635117).

25028245011 is a wasteful number, since it uses less digits than its factorization.

25028245011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29931.

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 25028245011 in words is "twenty-five billion, twenty-eight million, two hundred forty-five thousand, eleven".