1170440011 has 4 divisors (see below), whose sum is σ = 1260473872. Its totient is φ = 1080406152.

The previous prime is 1170439973. The next prime is 1170440039. The reversal of 1170440011 is 1100440711.

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 1170440011 - 2⁷ = 1170439883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170440081) 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, 45016911 + ... + 45016936.

It is an arithmetic number, because the mean of its divisors is an integer number (315118468).

Almost surely, 2^1170440011 is an apocalyptic number.

1170440011 is a deficient number, since it is larger than the sum of its proper divisors (90033861).

1170440011 is an equidigital number, since it uses as much as digits as its factorization.

1170440011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90033860.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1170440011 is about 34211.6940679645. The cubic root of 1170440011 is about 1053.8603210658.

Adding to 1170440011 its reverse (1100440711), we get a palindrome (2270880722).

It can be divided in two parts, 11704 and 40011, that added together give a palindrome (51715).

The spelling of 1170440011 in words is "one billion, one hundred seventy million, four hundred forty thousand, eleven".