1355174232191 has 12 divisors (see below), whose sum is σ = 1544670726120. Its totient is φ = 1185091633440.

The previous prime is 1355174232187. The next prime is 1355174232221. The reversal of 1355174232191 is 1912324715531.

It is a happy number.

It is not a de Polignac number, because 1355174232191 - 2² = 1355174232187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355174232161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211017380 + ... + 211023801.

It is an arithmetic number, because the mean of its divisors is an integer number (128722560510).

Almost surely, 2^{1355174232191} is an apocalyptic number.

1355174232191 is a deficient number, since it is larger than the sum of its proper divisors (189496493929).

1355174232191 is a wasteful number, since it uses less digits than its factorization.

1355174232191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422041226 (or 422041213 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The spelling of 1355174232191 in words is "one trillion, three hundred fifty-five billion, one hundred seventy-four million, two hundred thirty-two thousand, one hundred ninety-one".