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1085118173875 = 538680945391
BaseRepresentation
bin11111100101001100001…
…01010101001010110011
310211201212202021200010101
433302212011111022303
5120234310223031000
62150255120213231
7141253145202241
oct17624605251263
93751782250111
101085118173875
11389217a1383a
12156377a6a217
137b431896bb8
143a73cc45791
151d35e230e6a
hexfca61552b3

1085118173875 has 8 divisors (see below), whose sum is σ = 1354227481152. Its totient is φ = 868094539000.

The previous prime is 1085118173863. The next prime is 1085118173879. The reversal of 1085118173875 is 5783718115801.

It is not a de Polignac number, because 1085118173875 - 219 = 1085117649587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085118173879) 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, 4340472571 + ... + 4340472820.

It is an arithmetic number, because the mean of its divisors is an integer number (169278435144).

Almost surely, 21085118173875 is an apocalyptic number.

1085118173875 is a deficient number, since it is larger than the sum of its proper divisors (269109307277).

1085118173875 is an frugal number, since it uses more digits than its factorization.

1085118173875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680945406 (or 8680945396 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 55.

The spelling of 1085118173875 in words is "one trillion, eighty-five billion, one hundred eighteen million, one hundred seventy-three thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 8680945391 43404726955 217023634775 1085118173875