1155051150 has 192 divisors, whose sum is σ = 3278361600. Its totient is φ = 266560000.

The previous prime is 1155051143. The next prime is 1155051151. The reversal of 1155051150 is 511505511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155051150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155051151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4832731 + ... + 4832969.

It is an arithmetic number, because the mean of its divisors is an integer number (17074800).

Almost surely, 2^1155051150 is an apocalyptic number.

1155051150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155051150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639180800).

1155051150 is an abundant number, since it is smaller than the sum of its proper divisors (2123310450).

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

1155051150 is a wasteful number, since it uses less digits than its factorization.

1155051150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 1155051150 is about 33986.0434590436. The cubic root of 1155051150 is about 1049.2212366090.

Adding to 1155051150 its reverse (511505511), we get a palindrome (1666556661).

The spelling of 1155051150 in words is "one billion, one hundred fifty-five million, fifty-one thousand, one hundred fifty".