1161431938933 has 16 divisors (see below), whose sum is σ = 1346273409024. Its totient is φ = 981325865520.

The previous prime is 1161431938921. The next prime is 1161431938937. The reversal of 1161431938933 is 3398391341611.

It is not a de Polignac number, because 1161431938933 - 2³³ = 1152842004341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161431938937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2790966 + ... + 3179992.

It is an arithmetic number, because the mean of its divisors is an integer number (84142088064).

Almost surely, 2^{1161431938933} is an apocalyptic number.

It is an amenable number.

1161431938933 is a deficient number, since it is larger than the sum of its proper divisors (184841470091).

1161431938933 is an equidigital number, since it uses as much as digits as its factorization.

1161431938933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395112.

The product of its digits is 1259712, while the sum is 52.

The spelling of 1161431938933 in words is "one trillion, one hundred sixty-one billion, four hundred thirty-one million, nine hundred thirty-eight thousand, nine hundred thirty-three".