1155145160313 has 6 divisors (see below), whose sum is σ = 1668543009354. Its totient is φ = 770096773536.

The previous prime is 1155145160311. The next prime is 1155145160419. The reversal of 1155145160313 is 3130615415511.

1155145160313 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 1 + 45 + 1 + 603 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 633127350249 + 522017810064 = 795693^2 + 722508^2 .

It is not a de Polignac number, because 1155145160313 - 2¹ = 1155145160311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155145160311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64174731120 + ... + 64174731137.

It is an arithmetic number, because the mean of its divisors is an integer number (278090501559).

Almost surely, 2^{1155145160313} is an apocalyptic number.

It is an amenable number.

1155145160313 is a deficient number, since it is larger than the sum of its proper divisors (513397849041).

1155145160313 is a wasteful number, since it uses less digits than its factorization.

1155145160313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128349462263 (or 128349462260 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1155145160313 in words is "one trillion, one hundred fifty-five billion, one hundred forty-five million, one hundred sixty thousand, three hundred thirteen".