1140252411 has 4 divisors (see below), whose sum is σ = 1520336552. Its totient is φ = 760168272.

The previous prime is 1140252391. The next prime is 1140252413. The reversal of 1140252411 is 1142520411.

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

It is not a de Polignac number, because 1140252411 - 2¹³ = 1140244219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140252413) 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, 190042066 + ... + 190042071.

It is an arithmetic number, because the mean of its divisors is an integer number (380084138).

Almost surely, 2^1140252411 is an apocalyptic number.

1140252411 is a deficient number, since it is larger than the sum of its proper divisors (380084141).

1140252411 is an equidigital number, since it uses as much as digits as its factorization.

1140252411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380084140.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1140252411 is about 33767.6237097016. The cubic root of 1140252411 is about 1044.7210204363.

Adding to 1140252411 its reverse (1142520411), we get a palindrome (2282772822).

The spelling of 1140252411 in words is "one billion, one hundred forty million, two hundred fifty-two thousand, four hundred eleven".