1139004911 has 16 divisors (see below), whose sum is σ = 1264494240. Its totient is φ = 1017285120.

The previous prime is 1139004869. The next prime is 1139004949. The reversal of 1139004911 is 1194009311.

It is a cyclic number.

It is not a de Polignac number, because 1139004911 - 2¹⁴ = 1138988527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139004011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213371 + ... + 218643.

It is an arithmetic number, because the mean of its divisors is an integer number (79030890).

Almost surely, 2^1139004911 is an apocalyptic number.

1139004911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1139004911 is a deficient number, since it is larger than the sum of its proper divisors (125489329).

1139004911 is a wasteful number, since it uses less digits than its factorization.

1139004911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1139004911 is about 33749.1468188457. The cubic root of 1139004911 is about 1044.3398869726.

It can be divided in two parts, 113900 and 4911, that added together give a palindrome (118811).

The spelling of 1139004911 in words is "one billion, one hundred thirty-nine million, four thousand, nine hundred eleven".