1121235315505 has 16 divisors (see below), whose sum is σ = 1363289241600. Its totient is φ = 885129935040.

The previous prime is 1121235315493. The next prime is 1121235315517. The reversal of 1121235315505 is 5055135321211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121235315493) and next prime (1121235315517).

It is not a de Polignac number, because 1121235315505 - 2¹⁹ = 1121234791217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112066 + ... + 1501675.

It is an arithmetic number, because the mean of its divisors is an integer number (85205577600).

Almost surely, 2^{1121235315505} is an apocalyptic number.

It is an amenable number.

1121235315505 is a deficient number, since it is larger than the sum of its proper divisors (242053926095).

1121235315505 is a wasteful number, since it uses less digits than its factorization.

1121235315505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615584.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1121235315505 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-five million, three hundred fifteen thousand, five hundred five".