1161989051830 has 8 divisors (see below), whose sum is σ = 2091580293312. Its totient is φ = 464795620728.

The previous prime is 1161989051827. The next prime is 1161989051869. The reversal of 1161989051830 is 381509891611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58099452582 + ... + 58099452601.

It is an arithmetic number, because the mean of its divisors is an integer number (261447536664).

Almost surely, 2^{1161989051830} is an apocalyptic number.

1161989051830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161989051830 is a deficient number, since it is larger than the sum of its proper divisors (929591241482).

1161989051830 is a wasteful number, since it uses less digits than its factorization.

1161989051830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116198905190.

The product of its (nonzero) digits is 466560, while the sum is 52.

The spelling of 1161989051830 in words is "one trillion, one hundred sixty-one billion, nine hundred eighty-nine million, fifty-one thousand, eight hundred thirty".