1185855132341 has 4 divisors (see below), whose sum is σ = 1293660144384. Its totient is φ = 1078050120300.

The previous prime is 1185855132277. The next prime is 1185855132353. The reversal of 1185855132341 is 1432315585811.

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 1185855132341 - 2⁶ = 1185855132277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185855132541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53902506005 + ... + 53902506026.

It is an arithmetic number, because the mean of its divisors is an integer number (323415036096).

Almost surely, 2^{1185855132341} is an apocalyptic number.

1185855132341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1185855132341 is a deficient number, since it is larger than the sum of its proper divisors (107805012043).

1185855132341 is a wasteful number, since it uses less digits than its factorization.

1185855132341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107805012042.

The product of its digits is 576000, while the sum is 47.

The spelling of 1185855132341 in words is "one trillion, one hundred eighty-five billion, eight hundred fifty-five million, one hundred thirty-two thousand, three hundred forty-one".