1145887411 has 4 divisors (see below), whose sum is σ = 1185400800. Its totient is φ = 1106374024.

The previous prime is 1145887409. The next prime is 1145887451. The reversal of 1145887411 is 1147885411.

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 1145887411 - 2¹ = 1145887409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145887451) 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, 19756651 + ... + 19756708.

It is an arithmetic number, because the mean of its divisors is an integer number (296350200).

Almost surely, 2^1145887411 is an apocalyptic number.

1145887411 is a deficient number, since it is larger than the sum of its proper divisors (39513389).

1145887411 is an equidigital number, since it uses as much as digits as its factorization.

1145887411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39513388.

The product of its digits is 35840, while the sum is 40.

The square root of 1145887411 is about 33850.9587899663. The cubic root of 1145887411 is about 1046.4391581030.

The spelling of 1145887411 in words is "one billion, one hundred forty-five million, eight hundred eighty-seven thousand, four hundred eleven".