1158810513645 has 16 divisors (see below), whose sum is σ = 1861854554880. Its totient is φ = 615446362944.

The previous prime is 1158810513631. The next prime is 1158810513647. The reversal of 1158810513645 is 5463150188511.

It is not a de Polignac number, because 1158810513645 - 2²³ = 1158802125037 is a prime.

It is a super-3 number, since 3×1158810513645³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158810513594 and 1158810513603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158810513647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161615734 + ... + 161622903.

It is an arithmetic number, because the mean of its divisors is an integer number (116365909680).

Almost surely, 2^{1158810513645} is an apocalyptic number.

1158810513645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1158810513645 is a deficient number, since it is larger than the sum of its proper divisors (703044041235).

1158810513645 is a wasteful number, since it uses less digits than its factorization.

1158810513645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323238884.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 1158810513645 in words is "one trillion, one hundred fifty-eight billion, eight hundred ten million, five hundred thirteen thousand, six hundred forty-five".