11252144551 has 2 divisors, whose sum is σ = 11252144552. Its totient is φ = 11252144550.

The previous prime is 11252144543. The next prime is 11252144593. The reversal of 11252144551 is 15544125211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11252144551 - 2³ = 11252144543 is a prime.

It is a super-2 number, since 2×11252144551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11292144551) 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, 5626072275 + 5626072276.

It is an arithmetic number, because the mean of its divisors is an integer number (5626072276).

Almost surely, 2^11252144551 is an apocalyptic number.

11252144551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252144551 is an equidigital number, since it uses as much as digits as its factorization.

11252144551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8000, while the sum is 31.

Adding to 11252144551 its reverse (15544125211), we get a palindrome (26796269762).

The spelling of 11252144551 in words is "eleven billion, two hundred fifty-two million, one hundred forty-four thousand, five hundred fifty-one".