1161169911328 has 24 divisors (see below), whose sum is σ = 2612632300992. Its totient is φ = 497644247616.

The previous prime is 1161169911269. The next prime is 1161169911329. The reversal of 1161169911328 is 8231199611611.

It is not an unprimeable number, because it can be changed into a prime (1161169911329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591896900 + ... + 2591897347.

It is an arithmetic number, because the mean of its divisors is an integer number (108859679208).

Almost surely, 2^{1161169911328} is an apocalyptic number.

It is an amenable number.

1161169911328 is an abundant number, since it is smaller than the sum of its proper divisors (1451462389664).

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

1161169911328 is an equidigital number, since it uses as much as digits as its factorization.

1161169911328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183794264 (or 5183794256 counting only the distinct ones).

The product of its digits is 139968, while the sum is 49.

The spelling of 1161169911328 in words is "one trillion, one hundred sixty-one billion, one hundred sixty-nine million, nine hundred eleven thousand, three hundred twenty-eight".