11325505251 has 4 divisors (see below), whose sum is σ = 15100673672. Its totient is φ = 7550336832.

The previous prime is 11325505231. The next prime is 11325505267. The reversal of 11325505251 is 15250552311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15250552311 = 3 ⋅5083517437.

It is not a de Polignac number, because 11325505251 - 2¹³ = 11325497059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11325505231) 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 in 3 ways as a sum of consecutive naturals, for example, 1887584206 + ... + 1887584211.

It is an arithmetic number, because the mean of its divisors is an integer number (3775168418).

Almost surely, 2^11325505251 is an apocalyptic number.

11325505251 is a deficient number, since it is larger than the sum of its proper divisors (3775168421).

11325505251 is an equidigital number, since it uses as much as digits as its factorization.

11325505251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775168420.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 11325505251 in words is "eleven billion, three hundred twenty-five million, five hundred five thousand, two hundred fifty-one".