1153456000 has 64 divisors (see below), whose sum is σ = 2867819760. Its totient is φ = 461376000.

The previous prime is 1153455997. The next prime is 1153456033. The reversal of 1153456000 is 6543511.

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

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20046 + ... + 52045.

Almost surely, 2^1153456000 is an apocalyptic number.

1153456000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153456000 is an abundant number, since it is smaller than the sum of its proper divisors (1714363760).

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

1153456000 is an frugal number, since it uses more digits than its factorization.

1153456000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72120 (or 72098 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1153456000 is about 33962.5676296713. The cubic root of 1153456000 is about 1048.7380152085.

Adding to 1153456000 its reverse (6543511), we get a palindrome (1159999511).

The spelling of 1153456000 in words is "one billion, one hundred fifty-three million, four hundred fifty-six thousand".