1153500488 has 64 divisors (see below), whose sum is σ = 2635008000. Its totient is φ = 462376512.

The previous prime is 1153500479. The next prime is 1153500527. The reversal of 1153500488 is 8840053511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77195 + ... + 90917.

It is an arithmetic number, because the mean of its divisors is an integer number (41172000).

Almost surely, 2^1153500488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153500488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317504000).

1153500488 is an abundant number, since it is smaller than the sum of its proper divisors (1481507512).

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

1153500488 is a wasteful number, since it uses less digits than its factorization.

1153500488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13834 (or 13830 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 1153500488 is about 33963.2225797259. Note that the first 3 decimals coincide. The cubic root of 1153500488 is about 1048.7514980684.

Adding to 1153500488 its reverse (8840053511), we get a palindrome (9993553999).

The spelling of 1153500488 in words is "one billion, one hundred fifty-three million, five hundred thousand, four hundred eighty-eight".