1151105000 has 40 divisors (see below), whose sum is σ = 2697050730. Its totient is φ = 460440000.

The previous prime is 1151104993. The next prime is 1151105057. The reversal of 1151105000 is 5011511.

It can be written as a sum of positive squares in 5 ways, for example, as 20666116 + 1130438884 = 4546^2 + 33622^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 110111 + ... + 120110.

Almost surely, 2^1151105000 is an apocalyptic number.

1151105000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151105000 is an abundant number, since it is smaller than the sum of its proper divisors (1545945730).

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

1151105000 is an equidigital number, since it uses as much as digits as its factorization.

1151105000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230247 (or 230228 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1151105000 is about 33927.9383399581. The cubic root of 1151105000 is about 1048.0250100863.

Adding to 1151105000 its reverse (5011511), we get a palindrome (1156116511).

The spelling of 1151105000 in words is "one billion, one hundred fifty-one million, one hundred five thousand".