1152442786121 has 4 divisors (see below), whose sum is σ = 1257210312144. Its totient is φ = 1047675260100.

The previous prime is 1152442786111. The next prime is 1152442786129. The reversal of 1152442786121 is 1216872442511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1152442786121 - 2³⁴ = 1135262916937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152442786129) 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 3 ways as a sum of consecutive naturals, for example, 52383762995 + ... + 52383763016.

It is an arithmetic number, because the mean of its divisors is an integer number (314302578036).

Almost surely, 2^{1152442786121} is an apocalyptic number.

1152442786121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1152442786121 is a deficient number, since it is larger than the sum of its proper divisors (104767526023).

1152442786121 is a wasteful number, since it uses less digits than its factorization.

1152442786121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104767526022.

The product of its digits is 215040, while the sum is 44.

The spelling of 1152442786121 in words is "one trillion, one hundred fifty-two billion, four hundred forty-two million, seven hundred eighty-six thousand, one hundred twenty-one".