11225512143 has 16 divisors (see below), whose sum is σ = 16645592160. Its totient is φ = 7476833088.

The previous prime is 11225512141. The next prime is 11225512153. The reversal of 11225512143 is 34121552211.

It is a happy number.

11225512143 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 5 + 512 + 143 = 666.

It is not a de Polignac number, because 11225512143 - 2¹ = 11225512141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225512141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159880 + ... + 219117.

It is an arithmetic number, because the mean of its divisors is an integer number (1040349510).

Almost surely, 2^11225512143 is an apocalyptic number.

11225512143 is a deficient number, since it is larger than the sum of its proper divisors (5420080017).

11225512143 is a wasteful number, since it uses less digits than its factorization.

11225512143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380103 (or 380097 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The spelling of 11225512143 in words is "eleven billion, two hundred twenty-five million, five hundred twelve thousand, one hundred forty-three".