1155404017345 has 48 divisors (see below), whose sum is σ = 1475840063808. Its totient is φ = 868182157440.

The previous prime is 1155404017333. The next prime is 1155404017373. The reversal of 1155404017345 is 5437104045511.

It is not a de Polignac number, because 1155404017345 - 2²⁵ = 1155370462913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155404017298 and 1155404017307.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 413085487 + ... + 413088283.

It is an arithmetic number, because the mean of its divisors is an integer number (30746667996).

Almost surely, 2^{1155404017345} is an apocalyptic number.

It is an amenable number.

1155404017345 is a deficient number, since it is larger than the sum of its proper divisors (320436046463).

1155404017345 is a wasteful number, since it uses less digits than its factorization.

1155404017345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4699 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 1155404017345 in words is "one trillion, one hundred fifty-five billion, four hundred four million, seventeen thousand, three hundred forty-five".