1161434315442 has 8 divisors (see below), whose sum is σ = 2322868630896. Its totient is φ = 387144771812.

The previous prime is 1161434315401. The next prime is 1161434315453. The reversal of 1161434315442 is 2445134341611.

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

1161434315442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161434315442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96786192948 + ... + 96786192959.

It is an arithmetic number, because the mean of its divisors is an integer number (290358578862).

Almost surely, 2^{1161434315442} is an apocalyptic number.

1161434315442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1161434315442 is a wasteful number, since it uses less digits than its factorization.

1161434315442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193572385912.

The product of its digits is 138240, while the sum is 39.

The spelling of 1161434315442 in words is "one trillion, one hundred sixty-one billion, four hundred thirty-four million, three hundred fifteen thousand, four hundred forty-two".