11525053091 has 2 divisors, whose sum is σ = 11525053092. Its totient is φ = 11525053090.

The previous prime is 11525053087. The next prime is 11525053109. The reversal of 11525053091 is 19035052511.

Together with next prime (11525053109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11525053091 - 2² = 11525053087 is a prime.

It is not a weakly prime, because it can be changed into another prime (11525053021) 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 as a sum of consecutive naturals, namely, 5762526545 + 5762526546.

It is an arithmetic number, because the mean of its divisors is an integer number (5762526546).

Almost surely, 2^11525053091 is an apocalyptic number.

11525053091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525053091 is an equidigital number, since it uses as much as digits as its factorization.

11525053091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 11525053091 in words is "eleven billion, five hundred twenty-five million, fifty-three thousand, ninety-one".