1171034397898 has 8 divisors (see below), whose sum is σ = 1813214551680. Its totient is φ = 566629547340.

The previous prime is 1171034397839. The next prime is 1171034397917. The reversal of 1171034397898 is 8987934301711.

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

It is a super-2 number, since 2×1171034397898² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9443825728 + ... + 9443825851.

It is an arithmetic number, because the mean of its divisors is an integer number (226651818960).

Almost surely, 2^{1171034397898} is an apocalyptic number.

1171034397898 is a deficient number, since it is larger than the sum of its proper divisors (642180153782).

1171034397898 is a wasteful number, since it uses less digits than its factorization.

1171034397898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887651612.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 1171034397898 in words is "one trillion, one hundred seventy-one billion, thirty-four million, three hundred ninety-seven thousand, eight hundred ninety-eight".