11353450251 has 24 divisors (see below), whose sum is σ = 17882150976. Its totient is φ = 6351577440.

The previous prime is 11353450211. The next prime is 11353450271. The reversal of 11353450251 is 15205435311.

It is not a de Polignac number, because 11353450251 - 2¹⁹ = 11352925963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11353450211) 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 23 ways as a sum of consecutive naturals, for example, 1012305 + ... + 1023458.

It is an arithmetic number, because the mean of its divisors is an integer number (745089624).

Almost surely, 2^11353450251 is an apocalyptic number.

11353450251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11353450251 is a deficient number, since it is larger than the sum of its proper divisors (6528700725).

11353450251 is a wasteful number, since it uses less digits than its factorization.

11353450251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035803 (or 2035790 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 11353450251 its reverse (15205435311), we get a palindrome (26558885562).

The spelling of 11353450251 in words is "eleven billion, three hundred fifty-three million, four hundred fifty thousand, two hundred fifty-one".