1158255919204 has 12 divisors (see below), whose sum is σ = 2065192158204. Its totient is φ = 568201016864.

The previous prime is 1158255919201. The next prime is 1158255919217. The reversal of 1158255919204 is 4029195528511.

It can be written as a sum of positive squares in 2 ways, for example, as 418999879204 + 739256040000 = 647302^2 + 859800^2 .

It is a super-2 number, since 2×1158255919204² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158255919201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731735447 + ... + 2731735870.

It is an arithmetic number, because the mean of its divisors is an integer number (172099346517).

Almost surely, 2^{1158255919204} is an apocalyptic number.

It is an amenable number.

1158255919204 is a deficient number, since it is larger than the sum of its proper divisors (906936239000).

1158255919204 is a wasteful number, since it uses less digits than its factorization.

1158255919204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463471374 (or 5463471372 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 52.

The spelling of 1158255919204 in words is "one trillion, one hundred fifty-eight billion, two hundred fifty-five million, nine hundred nineteen thousand, two hundred four".