1155850344100 has 18 divisors (see below), whose sum is σ = 2508195246914. Its totient is φ = 462340137600.

The previous prime is 1155850344097. The next prime is 1155850344107. The reversal of 1155850344100 is 14430585511.

It can be written as a sum of positive squares in 3 ways, for example, as 2077901056 + 1153772443044 = 45584^2 + 1074138^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1155850344100.

It is not an unprimeable number, because it can be changed into a prime (1155850344107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5779251621 + ... + 5779251820.

Almost surely, 2^{1155850344100} is an apocalyptic number.

1155850344100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155850344100 is an abundant number, since it is smaller than the sum of its proper divisors (1352344902814).

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

1155850344100 is a wasteful number, since it uses less digits than its factorization.

1155850344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558503455 (or 11558503448 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 1155850344100 in words is "one trillion, one hundred fifty-five billion, eight hundred fifty million, three hundred forty-four thousand, one hundred".