1151505144 has 48 divisors (see below), whose sum is σ = 3126364800. Its totient is φ = 382886784.

The previous prime is 1151505119. The next prime is 1151505151. The reversal of 1151505144 is 4415051511.

1151505144 is a `hidden beast` number, since 1 + 1 + 515 + 0 + 5 + 144 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9897 + ... + 48999.

It is an arithmetic number, because the mean of its divisors is an integer number (65132600).

Almost surely, 2^1151505144 is an apocalyptic number.

It is an amenable number.

1151505144 is an abundant number, since it is smaller than the sum of its proper divisors (1974859656).

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

1151505144 is a wasteful number, since it uses less digits than its factorization.

1151505144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39524 (or 39517 counting only the distinct ones).

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

The square root of 1151505144 is about 33933.8347965567. The cubic root of 1151505144 is about 1048.1464332222.

Adding to 1151505144 its reverse (4415051511), we get a palindrome (5566556655).

The spelling of 1151505144 in words is "one billion, one hundred fifty-one million, five hundred five thousand, one hundred forty-four".