1158901838945 has 32 divisors (see below), whose sum is σ = 1431028408320. Its totient is φ = 900544988160.

The previous prime is 1158901838923. The next prime is 1158901838957. The reversal of 1158901838945 is 5498381098511.

It is not a de Polignac number, because 1158901838945 - 2²⁴ = 1158885061729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19405391 + ... + 19465019.

It is an arithmetic number, because the mean of its divisors is an integer number (44719637760).

Almost surely, 2^{1158901838945} is an apocalyptic number.

It is an amenable number.

1158901838945 is a deficient number, since it is larger than the sum of its proper divisors (272126569375).

1158901838945 is a wasteful number, since it uses less digits than its factorization.

1158901838945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60305.

The product of its (nonzero) digits is 12441600, while the sum is 62.

The spelling of 1158901838945 in words is "one trillion, one hundred fifty-eight billion, nine hundred one million, eight hundred thirty-eight thousand, nine hundred forty-five".