1158106615950 has 24 divisors (see below), whose sum is σ = 2872104407928. Its totient is φ = 308828430880.

The previous prime is 1158106615927. The next prime is 1158106615987. The reversal of 1158106615950 is 595166018511.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1158106615950.

It is a congruent number.

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, 3860355237 + ... + 3860355536.

It is an arithmetic number, because the mean of its divisors is an integer number (119671016997).

Almost surely, 2^{1158106615950} is an apocalyptic number.

1158106615950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158106615950 is an abundant number, since it is smaller than the sum of its proper divisors (1713997791978).

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

1158106615950 is a wasteful number, since it uses less digits than its factorization.

1158106615950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720710788 (or 7720710783 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 48.

The spelling of 1158106615950 in words is "one trillion, one hundred fifty-eight billion, one hundred six million, six hundred fifteen thousand, nine hundred fifty".