1153981700 has 18 divisors (see below), whose sum is σ = 2504140506. Its totient is φ = 461592640.

The previous prime is 1153981687. The next prime is 1153981711. The reversal of 1153981700 is 71893511.

It can be written as a sum of positive squares in 3 ways, for example, as 162613504 + 991368196 = 12752^2 + 31486^2 .

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 5 ways as a sum of consecutive naturals, for example, 5769809 + ... + 5770008.

It is an arithmetic number, because the mean of its divisors is an integer number (139118917).

Almost surely, 2^1153981700 is an apocalyptic number.

1153981700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153981700 is an abundant number, since it is smaller than the sum of its proper divisors (1350158806).

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

1153981700 is a wasteful number, since it uses less digits than its factorization.

1153981700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539831 (or 11539824 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 1153981700 is about 33970.3061511079. The cubic root of 1153981700 is about 1048.8973155601.

It can be divided in two parts, 11539 and 81700, that added together give a palindrome (93239).

The spelling of 1153981700 in words is "one billion, one hundred fifty-three million, nine hundred eighty-one thousand, seven hundred".