1008811149 has 16 divisors (see below), whose sum is σ = 1387057152. Its totient is φ = 651831408.

The previous prime is 1008811147. The next prime is 1008811151. The reversal of 1008811149 is 9411188001.

It is an interprime number because it is at equal distance from previous prime (1008811147) and next prime (1008811151).

It is not a de Polignac number, because 1008811149 - 2¹ = 1008811147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008811147) 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, 20209 + ... + 49254.

It is an arithmetic number, because the mean of its divisors is an integer number (86691072).

Almost surely, 2^1008811149 is an apocalyptic number.

It is an amenable number.

1008811149 is a deficient number, since it is larger than the sum of its proper divisors (378246003).

1008811149 is a wasteful number, since it uses less digits than its factorization.

1008811149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69616.

The product of its (nonzero) digits is 2304, while the sum is 33.

The square root of 1008811149 is about 31761.7875598966. The cubic root of 1008811149 is about 1002.9284653857.

The spelling of 1008811149 in words is "one billion, eight million, eight hundred eleven thousand, one hundred forty-nine".