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11127138275 = 521163612
BaseRepresentation
bin10100101110011101…
…01010011111100011
31001201110200012011102
422113032222133203
5140242021411100
65040045105015
7542512054241
oct122716523743
931643605142
1011127138275
11479aa85750
1221a655816b
1310843806b6
14777b27791
15451d04cd5
hex2973aa7e3

11127138275 has 18 divisors (see below), whose sum is σ = 15054350076. Its totient is φ = 8091192000.

The previous prime is 11127138259. The next prime is 11127138311. The reversal of 11127138275 is 57283172111.

It is a happy number.

It is not a de Polignac number, because 11127138275 - 24 = 11127138259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1746095 + ... + 1752455.

It is an arithmetic number, because the mean of its divisors is an integer number (836352782).

Almost surely, 211127138275 is an apocalyptic number.

11127138275 is a deficient number, since it is larger than the sum of its proper divisors (3927211801).

11127138275 is an frugal number, since it uses more digits than its factorization.

11127138275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743 (or 6377 counting only the distinct ones).

The product of its digits is 23520, while the sum is 38.

The spelling of 11127138275 in words is "eleven billion, one hundred twenty-seven million, one hundred thirty-eight thousand, two hundred seventy-five".

Divisors: 1 5 11 25 55 275 6361 31805 69971 159025 349855 1749275 40462321 202311605 445085531 1011558025 2225427655 11127138275