11898327825 has 36 divisors (see below), whose sum is σ = 21323510208. Its totient is φ = 6342117600.

The previous prime is 11898327821. The next prime is 11898327827. The reversal of 11898327825 is 52872389811.

It is not a de Polignac number, because 11898327825 - 2² = 11898327821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11898327821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 401260 + ... + 429890.

It is an arithmetic number, because the mean of its divisors is an integer number (592319728).

Almost surely, 2^11898327825 is an apocalyptic number.

11898327825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11898327825 is a deficient number, since it is larger than the sum of its proper divisors (9425182383).

11898327825 is a wasteful number, since it uses less digits than its factorization.

11898327825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30494 (or 30486 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 11898327825 in words is "eleven billion, eight hundred ninety-eight million, three hundred twenty-seven thousand, eight hundred twenty-five".