1151552340 has 72 divisors (see below), whose sum is σ = 3496566528. Its totient is φ = 306770880.

The previous prime is 1151552309. The next prime is 1151552351. The reversal of 1151552340 is 432551511.

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 23 ways as a sum of consecutive naturals, for example, 217525 + ... + 222755.

It is an arithmetic number, because the mean of its divisors is an integer number (48563424).

Almost surely, 2^1151552340 is an apocalyptic number.

1151552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151552340 is an abundant number, since it is smaller than the sum of its proper divisors (2345014188).

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

1151552340 is a wasteful number, since it uses less digits than its factorization.

1151552340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469 (or 6464 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1151552340 is about 33934.5302015513. The cubic root of 1151552340 is about 1048.1607529276.

The spelling of 1151552340 in words is "one billion, one hundred fifty-one million, five hundred fifty-two thousand, three hundred forty".