11252132251 has 4 divisors (see below), whose sum is σ = 11305460104. Its totient is φ = 11198804400.

The previous prime is 11252132249. The next prime is 11252132263. The reversal of 11252132251 is 15223125211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15223125211 = 7 ⋅2174732173.

It is a cyclic number.

It is not a de Polignac number, because 11252132251 - 2¹ = 11252132249 is a prime.

It is a super-2 number, since 2×11252132251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11252130251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26663610 + ... + 26664031.

It is an arithmetic number, because the mean of its divisors is an integer number (2826365026).

Almost surely, 2^11252132251 is an apocalyptic number.

11252132251 is a deficient number, since it is larger than the sum of its proper divisors (53327853).

11252132251 is an equidigital number, since it uses as much as digits as its factorization.

11252132251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53327852.

The product of its digits is 1200, while the sum is 25.

Adding to 11252132251 its reverse (15223125211), we get a palindrome (26475257462).

The spelling of 11252132251 in words is "eleven billion, two hundred fifty-two million, one hundred thirty-two thousand, two hundred fifty-one".