1147717857139 has 24 divisors (see below), whose sum is σ = 1361727628800. Its totient is φ = 964317266640.

The previous prime is 1147717857137. The next prime is 1147717857149. The reversal of 1147717857139 is 9317587177411.

It is not a de Polignac number, because 1147717857139 - 2¹ = 1147717857137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147717857137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 528447 + ... + 1604584.

It is an arithmetic number, because the mean of its divisors is an integer number (56738651200).

Almost surely, 2^{1147717857139} is an apocalyptic number.

1147717857139 is a deficient number, since it is larger than the sum of its proper divisors (214009771661).

1147717857139 is a wasteful number, since it uses less digits than its factorization.

1147717857139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133263 (or 2133256 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 61.

The spelling of 1147717857139 in words is "one trillion, one hundred forty-seven billion, seven hundred seventeen million, eight hundred fifty-seven thousand, one hundred thirty-nine".