1151514440 has 16 divisors (see below), whose sum is σ = 2590907580. Its totient is φ = 460605760.

The previous prime is 1151514439. The next prime is 1151514443. The reversal of 1151514440 is 444151511.

It can be written as a sum of positive squares in 2 ways, for example, as 1053781444 + 97732996 = 32462^2 + 9886^2 .

It is not an unprimeable number, because it can be changed into a prime (1151514443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14393891 + ... + 14393970.

Almost surely, 2^1151514440 is an apocalyptic number.

1151514440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151514440 is an abundant number, since it is smaller than the sum of its proper divisors (1439393140).

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

1151514440 is a wasteful number, since it uses less digits than its factorization.

1151514440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28787872 (or 28787868 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1151514440 is about 33933.9717687158. The cubic root of 1151514440 is about 1048.1492537460.

Adding to 1151514440 its reverse (444151511), we get a palindrome (1595665951).

The spelling of 1151514440 in words is "one billion, one hundred fifty-one million, five hundred fourteen thousand, four hundred forty".