1151104330505 has 4 divisors (see below), whose sum is σ = 1381325196612. Its totient is φ = 920883464400.

The previous prime is 1151104330499. The next prime is 1151104330559. The reversal of 1151104330505 is 5050334011511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296226567289 + 854877763216 = 544267^2 + 924596^2 .

It is not a de Polignac number, because 1151104330505 - 2⁸ = 1151104330249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115110433046 + ... + 115110433055.

It is an arithmetic number, because the mean of its divisors is an integer number (345331299153).

Almost surely, 2^{1151104330505} is an apocalyptic number.

It is an amenable number.

1151104330505 is a deficient number, since it is larger than the sum of its proper divisors (230220866107).

1151104330505 is an equidigital number, since it uses as much as digits as its factorization.

1151104330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230220866106.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 1151104330505 in words is "one trillion, one hundred fifty-one billion, one hundred four million, three hundred thirty thousand, five hundred five".