1147427356457 has 8 divisors (see below), whose sum is σ = 1152384780456. Its totient is φ = 1142470213632.

The previous prime is 1147427356393. The next prime is 1147427356507. The reversal of 1147427356457 is 7546537247411.

It can be written as a sum of positive squares in 4 ways, for example, as 702346239721 + 445081116736 = 838061^2 + 667144^2 .

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 1147427356457 - 2⁶ = 1147427356393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147427356357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16204073 + ... + 16274729.

It is an arithmetic number, because the mean of its divisors is an integer number (144048097557).

Almost surely, 2^{1147427356457} is an apocalyptic number.

It is an amenable number.

1147427356457 is a deficient number, since it is larger than the sum of its proper divisors (4957423999).

1147427356457 is an equidigital number, since it uses as much as digits as its factorization.

1147427356457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140587.

The product of its digits is 19756800, while the sum is 56.

The spelling of 1147427356457 in words is "one trillion, one hundred forty-seven billion, four hundred twenty-seven million, three hundred fifty-six thousand, four hundred fifty-seven".