1171531471274 has 16 divisors (see below), whose sum is σ = 1771958176800. Its totient is φ = 580888358064.

The previous prime is 1171531471267. The next prime is 1171531471339. The reversal of 1171531471274 is 4721741351711.

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 7 ways as a sum of consecutive naturals, for example, 2158784 + ... + 2646395.

It is an arithmetic number, because the mean of its divisors is an integer number (110747386050).

Almost surely, 2^{1171531471274} is an apocalyptic number.

1171531471274 is a deficient number, since it is larger than the sum of its proper divisors (600426705526).

1171531471274 is a wasteful number, since it uses less digits than its factorization.

1171531471274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806197.

The product of its digits is 164640, while the sum is 44.

The spelling of 1171531471274 in words is "one trillion, one hundred seventy-one billion, five hundred thirty-one million, four hundred seventy-one thousand, two hundred seventy-four".