11025825861 has 4 divisors (see below), whose sum is σ = 14701101152. Its totient is φ = 7350550572.

The previous prime is 11025825829. The next prime is 11025825869. The reversal of 11025825861 is 16852852011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11025825861 - 2⁵ = 11025825829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11025825869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837637641 + ... + 1837637646.

It is an arithmetic number, because the mean of its divisors is an integer number (3675275288).

Almost surely, 2^11025825861 is an apocalyptic number.

It is an amenable number.

11025825861 is a deficient number, since it is larger than the sum of its proper divisors (3675275291).

11025825861 is an equidigital number, since it uses as much as digits as its factorization.

11025825861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675275290.

The product of its (nonzero) digits is 38400, while the sum is 39.

The spelling of 11025825861 in words is "eleven billion, twenty-five million, eight hundred twenty-five thousand, eight hundred sixty-one".