1150551144 has 96 divisors (see below), whose sum is σ = 3171954240. Its totient is φ = 376704000.

The previous prime is 1150551113. The next prime is 1150551151. The reversal of 1150551144 is 4411550511.

1150551144 is a `hidden beast` number, since 11 + 505 + 5 + 1 + 144 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054039 + ... + 1055129.

It is an arithmetic number, because the mean of its divisors is an integer number (33041190).

Almost surely, 2^1150551144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150551144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585977120).

1150551144 is an abundant number, since it is smaller than the sum of its proper divisors (2021403096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150551144 is a wasteful number, since it uses less digits than its factorization.

1150551144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1150551144 is about 33919.7751171791. The cubic root of 1150551144 is about 1047.8568968211.

The spelling of 1150551144 in words is "one billion, one hundred fifty million, five hundred fifty-one thousand, one hundred forty-four".