1154018855747 has 4 divisors (see below), whose sum is σ = 1214756690280. Its totient is φ = 1093281021216.

The previous prime is 1154018855741. The next prime is 1154018855761. The reversal of 1154018855747 is 7475588104511.

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 1154018855747 - 2¹² = 1154018851651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154018855692 and 1154018855701.

It is not an unprimeable number, because it can be changed into a prime (1154018855741) 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, 30368917238 + ... + 30368917275.

It is an arithmetic number, because the mean of its divisors is an integer number (303689172570).

Almost surely, 2^{1154018855747} is an apocalyptic number.

1154018855747 is a deficient number, since it is larger than the sum of its proper divisors (60737834533).

1154018855747 is an equidigital number, since it uses as much as digits as its factorization.

1154018855747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60737834532.

The product of its (nonzero) digits is 6272000, while the sum is 56.

The spelling of 1154018855747 in words is "one trillion, one hundred fifty-four billion, eighteen million, eight hundred fifty-five thousand, seven hundred forty-seven".