1145542435771 has 4 divisors (see below), whose sum is σ = 1212927284952. Its totient is φ = 1078157586592.

The previous prime is 1145542435759. The next prime is 1145542435799. The reversal of 1145542435771 is 1775342455411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145542435771 - 2⁹ = 1145542435259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145542435721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33692424565 + ... + 33692424598.

It is an arithmetic number, because the mean of its divisors is an integer number (303231821238).

Almost surely, 2^{1145542435771} is an apocalyptic number.

1145542435771 is a deficient number, since it is larger than the sum of its proper divisors (67384849181).

1145542435771 is an equidigital number, since it uses as much as digits as its factorization.

1145542435771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67384849180.

The product of its digits is 2352000, while the sum is 49.

The spelling of 1145542435771 in words is "one trillion, one hundred forty-five billion, five hundred forty-two million, four hundred thirty-five thousand, seven hundred seventy-one".