1155304415530 has 16 divisors (see below), whose sum is σ = 2079646370784. Its totient is φ = 462099894480.

The previous prime is 1155304415453. The next prime is 1155304415579. The reversal of 1155304415530 is 355144035511.

It is a super-2 number, since 2×1155304415530² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1155304415530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511252 + ... + 2935471.

It is an arithmetic number, because the mean of its divisors is an integer number (129977898174).

Almost surely, 2^{1155304415530} is an apocalyptic number.

1155304415530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155304415530 is a deficient number, since it is larger than the sum of its proper divisors (924341955254).

1155304415530 is a wasteful number, since it uses less digits than its factorization.

1155304415530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467941.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 1155304415530 in words is "one trillion, one hundred fifty-five billion, three hundred four million, four hundred fifteen thousand, five hundred thirty".