11525122051 has 4 divisors (see below), whose sum is σ = 11525450472. Its totient is φ = 11524793632.

The previous prime is 11525122043. The next prime is 11525122117. The reversal of 11525122051 is 15022152511.

It is a happy number.

11525122051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11525122051 - 2³ = 11525122043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104281 + ... + 184186.

It is an arithmetic number, because the mean of its divisors is an integer number (2881362618).

Almost surely, 2^11525122051 is an apocalyptic number.

11525122051 is a deficient number, since it is larger than the sum of its proper divisors (328421).

11525122051 is an equidigital number, since it uses as much as digits as its factorization.

11525122051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328420.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 11525122051 its reverse (15022152511), we get a palindrome (26547274562).

The spelling of 11525122051 in words is "eleven billion, five hundred twenty-five million, one hundred twenty-two thousand, fifty-one".