1139028111 has 12 divisors (see below), whose sum is σ = 1771821688. Its totient is φ = 700940304.

The previous prime is 1139028089. The next prime is 1139028119. The reversal of 1139028111 is 1118209311.

It is not a de Polignac number, because 1139028111 - 2¹⁵ = 1138995343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139028119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4867525 + ... + 4867758.

Almost surely, 2^1139028111 is an apocalyptic number.

1139028111 is a deficient number, since it is larger than the sum of its proper divisors (632793577).

1139028111 is a wasteful number, since it uses less digits than its factorization.

1139028111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9735302 (or 9735299 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 1139028111 is about 33749.4905294880. The cubic root of 1139028111 is about 1044.3469775247.

The spelling of 1139028111 in words is "one billion, one hundred thirty-nine million, twenty-eight thousand, one hundred eleven".