1171101575442 has 8 divisors (see below), whose sum is σ = 2342203150896. Its totient is φ = 390367191812.

The previous prime is 1171101575411. The next prime is 1171101575453. The reversal of 1171101575442 is 2445751011711.

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

1171101575442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1171101575442.

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, 97591797948 + ... + 97591797959.

It is an arithmetic number, because the mean of its divisors is an integer number (292775393862).

Almost surely, 2^{1171101575442} is an apocalyptic number.

1171101575442 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.

1171101575442 is a wasteful number, since it uses less digits than its factorization.

1171101575442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195183595912.

The product of its (nonzero) digits is 39200, while the sum is 39.

The spelling of 1171101575442 in words is "one trillion, one hundred seventy-one billion, one hundred one million, five hundred seventy-five thousand, four hundred forty-two".