1161589269320 has 32 divisors (see below), whose sum is σ = 2628683246520. Its totient is φ = 461949949440.

The previous prime is 1161589269319. The next prime is 1161589269341. The reversal of 1161589269320 is 239629851611.

It can be written as a sum of positive squares in 4 ways, for example, as 1161122622916 + 466646404 = 1077554^2 + 21602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83922941 + ... + 83936780.

Almost surely, 2^{1161589269320} is an apocalyptic number.

1161589269320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161589269320 is an abundant number, since it is smaller than the sum of its proper divisors (1467093977200).

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

1161589269320 is a wasteful number, since it uses less digits than its factorization.

1161589269320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167859905 (or 167859901 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 1161589269320 in words is "one trillion, one hundred sixty-one billion, five hundred eighty-nine million, two hundred sixty-nine thousand, three hundred twenty".