1153180280 has 32 divisors (see below), whose sum is σ = 2965321440. Its totient is φ = 395376000.

The previous prime is 1153180277. The next prime is 1153180283. The reversal of 1153180280 is 820813511.

It is an interprime number because it is at equal distance from previous prime (1153180277) and next prime (1153180283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153180283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058971 + ... + 2059530.

It is an arithmetic number, because the mean of its divisors is an integer number (92666295).

Almost surely, 2^1153180280 is an apocalyptic number.

1153180280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153180280 is an abundant number, since it is smaller than the sum of its proper divisors (1812141160).

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

1153180280 is a wasteful number, since it uses less digits than its factorization.

1153180280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118519 (or 4118515 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1153180280 is about 33958.5082122286. The cubic root of 1153180280 is about 1048.6544457475.

Adding to 1153180280 its reverse (820813511), we get a palindrome (1973993791).

The spelling of 1153180280 in words is "one billion, one hundred fifty-three million, one hundred eighty thousand, two hundred eighty".