1151507328 has 64 divisors (see below), whose sum is σ = 3191702400. Its totient is φ = 367144448.

The previous prime is 1151507299. The next prime is 1151507341. The reversal of 1151507328 is 8237051511.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56358 + ... + 74021.

It is an arithmetic number, because the mean of its divisors is an integer number (49870350).

Almost surely, 2^1151507328 is an apocalyptic number.

It is an amenable number.

1151507328 is an abundant number, since it is smaller than the sum of its proper divisors (2040195072).

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

1151507328 is a wasteful number, since it uses less digits than its factorization.

1151507328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130419 (or 130407 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 1151507328 is about 33933.8669768124. The cubic root of 1151507328 is about 1048.1470958768.

Adding to 1151507328 its reverse (8237051511), we get a palindrome (9388558839).

The spelling of 1151507328 in words is "one billion, one hundred fifty-one million, five hundred seven thousand, three hundred twenty-eight".