1045017118387 has 4 divisors (see below), whose sum is σ = 1140018674616. Its totient is φ = 950015562160.

The previous prime is 1045017118381. The next prime is 1045017118423. The reversal of 1045017118387 is 7838117105401.

It is a happy number.

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 1045017118387 - 2¹⁹ = 1045016594099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045017118381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47500778098 + ... + 47500778119.

It is an arithmetic number, because the mean of its divisors is an integer number (285004668654).

Almost surely, 2^{1045017118387} is an apocalyptic number.

1045017118387 is a deficient number, since it is larger than the sum of its proper divisors (95001556229).

1045017118387 is an equidigital number, since it uses as much as digits as its factorization.

1045017118387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95001556228.

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 1045017118387 in words is "one trillion, forty-five billion, seventeen million, one hundred eighteen thousand, three hundred eighty-seven".