1155344018730 has 32 divisors (see below), whose sum is σ = 3024900704448. Its totient is φ = 280083398400.

The previous prime is 1155344018729. The next prime is 1155344018749. The reversal of 1155344018730 is 378104435511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1750520911 + ... + 1750521570.

It is an arithmetic number, because the mean of its divisors is an integer number (94528147014).

Almost surely, 2^{1155344018730} is an apocalyptic number.

1155344018730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155344018730 is an abundant number, since it is smaller than the sum of its proper divisors (1869556685718).

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

1155344018730 is a wasteful number, since it uses less digits than its factorization.

1155344018730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501042502.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 1155344018730 in words is "one trillion, one hundred fifty-five billion, three hundred forty-four million, eighteen thousand, seven hundred thirty".