1153366500 has 384 divisors, whose sum is σ = 4168120320. Its totient is φ = 243648000.

The previous prime is 1153366477. The next prime is 1153366507. The reversal of 1153366500 is 56633511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1153366507) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4075359 + ... + 4075641.

It is an arithmetic number, because the mean of its divisors is an integer number (10854480).

Almost surely, 2^1153366500 is an apocalyptic number.

1153366500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153366500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084060160).

1153366500 is an abundant number, since it is smaller than the sum of its proper divisors (3014753820).

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

1153366500 is a wasteful number, since it uses less digits than its factorization.

1153366500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1153366500 is about 33961.2499769958. The cubic root of 1153366500 is about 1048.7108896311.

It can be divided in two parts, 1153 and 366500, that added together give a triangular number (367653 = T₈₅₇).

The spelling of 1153366500 in words is "one billion, one hundred fifty-three million, three hundred sixty-six thousand, five hundred".