1121032513143 has 16 divisors (see below), whose sum is σ = 1680798416640. Its totient is φ = 738350730072.

The previous prime is 1121032513067. The next prime is 1121032513157. The reversal of 1121032513143 is 3413152301211.

1121032513143 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 0 + 3 + 2 + 513 + 143 = 666.

It is not a de Polignac number, because 1121032513143 - 2¹³ = 1121032504951 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 (1121032513193) 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, 250116571 + ... + 250121052.

It is an arithmetic number, because the mean of its divisors is an integer number (105049901040).

Almost surely, 2^{1121032513143} is an apocalyptic number.

1121032513143 is a deficient number, since it is larger than the sum of its proper divisors (559765903497).

1121032513143 is an equidigital number, since it uses as much as digits as its factorization.

1121032513143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500237715 (or 500237709 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 1121032513143 its reverse (3413152301211), we get a palindrome (4534184814354).

The spelling of 1121032513143 in words is "one trillion, one hundred twenty-one billion, thirty-two million, five hundred thirteen thousand, one hundred forty-three".