1147351575481 has 8 divisors (see below), whose sum is σ = 1166241925184. Its totient is φ = 1128463848720.

The previous prime is 1147351575467. The next prime is 1147351575509. The reversal of 1147351575481 is 1845751537411.

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

It is a cyclic number.

It is not a de Polignac number, because 1147351575481 - 2⁹ = 1147351574969 is a prime.

It is a super-2 number, since 2×1147351575481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147351575451) 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 7 ways as a sum of consecutive naturals, for example, 236230 + ... + 1533136.

It is an arithmetic number, because the mean of its divisors is an integer number (145780240648).

Almost surely, 2^{1147351575481} is an apocalyptic number.

It is an amenable number.

1147351575481 is a deficient number, since it is larger than the sum of its proper divisors (18890349703).

1147351575481 is a wasteful number, since it uses less digits than its factorization.

1147351575481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311471.

The product of its digits is 2352000, while the sum is 52.

The spelling of 1147351575481 in words is "one trillion, one hundred forty-seven billion, three hundred fifty-one million, five hundred seventy-five thousand, four hundred eighty-one".