11025062561 has 4 divisors (see below), whose sum is σ = 11029928112. Its totient is φ = 11020197012.

The previous prime is 11025062497. The next prime is 11025062563. The reversal of 11025062561 is 16526052011.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 11025062561 - 2⁶ = 11025062497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11025062563) 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 3 ways as a sum of consecutive naturals, for example, 2429375 + ... + 2433908.

It is an arithmetic number, because the mean of its divisors is an integer number (2757482028).

Almost surely, 2^11025062561 is an apocalyptic number.

It is an amenable number.

11025062561 is a deficient number, since it is larger than the sum of its proper divisors (4865551).

11025062561 is an equidigital number, since it uses as much as digits as its factorization.

11025062561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865550.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11025062561 in words is "eleven billion, twenty-five million, sixty-two thousand, five hundred sixty-one".