1174138911142 has 4 divisors (see below), whose sum is σ = 1761208366716. Its totient is φ = 587069455570.

The previous prime is 1174138911137. The next prime is 1174138911161. The reversal of 1174138911142 is 2411198314711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293534727784 + ... + 293534727787.

It is an arithmetic number, because the mean of its divisors is an integer number (440302091679).

Almost surely, 2^{1174138911142} is an apocalyptic number.

1174138911142 is a deficient number, since it is larger than the sum of its proper divisors (587069455574).

1174138911142 is an equidigital number, since it uses as much as digits as its factorization.

1174138911142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587069455573.

The product of its digits is 48384, while the sum is 43.

The spelling of 1174138911142 in words is "one trillion, one hundred seventy-four billion, one hundred thirty-eight million, nine hundred eleven thousand, one hundred forty-two".