1121235315443 has 32 divisors (see below), whose sum is σ = 1189779148800. Its totient is φ = 1054515977856.

The previous prime is 1121235315413. The next prime is 1121235315461. The reversal of 1121235315443 is 3445135321211.

It is a cyclic number.

It is not a de Polignac number, because 1121235315443 - 2¹² = 1121235311347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121235315413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263260448 + ... + 263264706.

It is an arithmetic number, because the mean of its divisors is an integer number (37180598400).

Almost surely, 2^{1121235315443} is an apocalyptic number.

1121235315443 is a deficient number, since it is larger than the sum of its proper divisors (68543833357).

1121235315443 is a wasteful number, since it uses less digits than its factorization.

1121235315443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171.

The product of its digits is 43200, while the sum is 35.

The spelling of 1121235315443 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-five million, three hundred fifteen thousand, four hundred forty-three".