1121325521343 has 4 divisors (see below), whose sum is σ = 1495100695128. Its totient is φ = 747550347560.

The previous prime is 1121325521333. The next prime is 1121325521363. The reversal of 1121325521343 is 3431255231211.

It is a happy number.

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 1121325521343 - 2⁸ = 1121325521087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121325521333) 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, 186887586888 + ... + 186887586893.

It is an arithmetic number, because the mean of its divisors is an integer number (373775173782).

Almost surely, 2^{1121325521343} is an apocalyptic number.

1121325521343 is a deficient number, since it is larger than the sum of its proper divisors (373775173785).

1121325521343 is an equidigital number, since it uses as much as digits as its factorization.

1121325521343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373775173784.

The product of its digits is 21600, while the sum is 33.

The spelling of 1121325521343 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-five million, five hundred twenty-one thousand, three hundred forty-three".