1151544544 has 48 divisors (see below), whose sum is σ = 2313360000. Its totient is φ = 564119424.

The previous prime is 1151544529. The next prime is 1151544547. The reversal of 1151544544 is 4454451511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151544547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425307 + ... + 428005.

It is an arithmetic number, because the mean of its divisors is an integer number (48195000).

Almost surely, 2^1151544544 is an apocalyptic number.

It is an amenable number.

1151544544 is an abundant number, since it is smaller than the sum of its proper divisors (1161815456).

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

1151544544 is a wasteful number, since it uses less digits than its factorization.

1151544544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2967 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The square root of 1151544544 is about 33934.4153331098. The cubic root of 1151544544 is about 1048.1583875757.

The spelling of 1151544544 in words is "one billion, one hundred fifty-one million, five hundred forty-four thousand, five hundred forty-four".