1147263872885 has 16 divisors (see below), whose sum is σ = 1482758282880. Its totient is φ = 847130041920.

The previous prime is 1147263872849. The next prime is 1147263872903. The reversal of 1147263872885 is 5882783627411.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1147263872885 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139115 + ... + 1521144.

It is an arithmetic number, because the mean of its divisors is an integer number (92672392680).

Almost surely, 2^{1147263872885} is an apocalyptic number.

It is an amenable number.

1147263872885 is a deficient number, since it is larger than the sum of its proper divisors (335494409995).

1147263872885 is a wasteful number, since it uses less digits than its factorization.

1147263872885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670908.

The product of its digits is 36126720, while the sum is 62.

The spelling of 1147263872885 in words is "one trillion, one hundred forty-seven billion, two hundred sixty-three million, eight hundred seventy-two thousand, eight hundred eighty-five".