1158901838946 has 24 divisors (see below), whose sum is σ = 2511190990620. Its totient is φ = 386264150496.

The previous prime is 1158901838923. The next prime is 1158901838957. The reversal of 1158901838946 is 6498381098511.

1158901838946 is a `hidden beast` number, since 1 + 1 + 589 + 0 + 1 + 8 + 3 + 8 + 9 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 606646265625 + 552255573321 = 778875^2 + 743139^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2842201 + ... + 3224268.

Almost surely, 2^{1158901838946} is an apocalyptic number.

1158901838946 is an abundant number, since it is smaller than the sum of its proper divisors (1352289151674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158901838946 is a wasteful number, since it uses less digits than its factorization.

1158901838946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077090 (or 6077087 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 63.

The spelling of 1158901838946 in words is "one trillion, one hundred fifty-eight billion, nine hundred one million, eight hundred thirty-eight thousand, nine hundred forty-six".