11251552143 has 32 divisors (see below), whose sum is σ = 16257136896. Its totient is φ = 6880843008.

The previous prime is 11251552133. The next prime is 11251552159. The reversal of 11251552143 is 34125515211.

It is not a de Polignac number, because 11251552143 - 2¹² = 11251548047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11251552143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251552133) 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 31 ways as a sum of consecutive naturals, for example, 7586280 + ... + 7587762.

It is an arithmetic number, because the mean of its divisors is an integer number (508035528).

Almost surely, 2^11251552143 is an apocalyptic number.

11251552143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11251552143 is a deficient number, since it is larger than the sum of its proper divisors (5005584753).

11251552143 is a wasteful number, since it uses less digits than its factorization.

11251552143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583.

The product of its digits is 6000, while the sum is 30.

The spelling of 11251552143 in words is "eleven billion, two hundred fifty-one million, five hundred fifty-two thousand, one hundred forty-three".