11251024431 has 4 divisors (see below), whose sum is σ = 15001365912. Its totient is φ = 7500682952.

The previous prime is 11251024429. The next prime is 11251024481. The reversal of 11251024431 is 13442015211.

11251024431 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 11251024431 - 2¹ = 11251024429 is a prime.

It is a super-2 number, since 2×11251024431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251024481) 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, 1875170736 + ... + 1875170741.

It is an arithmetic number, because the mean of its divisors is an integer number (3750341478).

Almost surely, 2^11251024431 is an apocalyptic number.

11251024431 is a deficient number, since it is larger than the sum of its proper divisors (3750341481).

11251024431 is an equidigital number, since it uses as much as digits as its factorization.

11251024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750341480.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11251024431 its reverse (13442015211), we get a palindrome (24693039642).

The spelling of 11251024431 in words is "eleven billion, two hundred fifty-one million, twenty-four thousand, four hundred thirty-one".