1121137523443 has 8 divisors (see below), whose sum is σ = 1302304945760. Its totient is φ = 945221330880.

The previous prime is 1121137523437. The next prime is 1121137523447. The reversal of 1121137523443 is 3443257311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121137523443 - 2¹⁷ = 1121137392371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121137523447) 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 7 ways as a sum of consecutive naturals, for example, 1312806978 + ... + 1312807831.

It is an arithmetic number, because the mean of its divisors is an integer number (162788118220).

Almost surely, 2^{1121137523443} is an apocalyptic number.

1121137523443 is a deficient number, since it is larger than the sum of its proper divisors (181167422317).

1121137523443 is an equidigital number, since it uses as much as digits as its factorization.

1121137523443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625614877.

The product of its digits is 60480, while the sum is 37.

The spelling of 1121137523443 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-seven million, five hundred twenty-three thousand, four hundred forty-three".