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13111555223555 = 561204432102857
BaseRepresentation
bin1011111011001100010110…
…0101110111000000000011
31201102110012211100001021222
42332303011211313000003
53204304431114123210
643515210524105255
72522164363351325
oct276630545670003
951373184301258
1013111555223555
1141a5641119328
12157913539522b
13741550441439
143348619a5615
1517b0dd086655
hexbecc5977003

13111555223555 has 16 divisors (see below), whose sum is σ = 15992588370144. Its totient is φ = 10316779764480.

The previous prime is 13111555223531. The next prime is 13111555223581. The reversal of 13111555223555 is 55532255511131.

13111555223555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13111555223555 - 212 = 13111555219459 is a prime.

It is a Duffinian 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, 5183687 + ... + 7286543.

It is an arithmetic number, because the mean of its divisors is an integer number (999536773134).

Almost surely, 213111555223555 is an apocalyptic number.

13111555223555 is a deficient number, since it is larger than the sum of its proper divisors (2881033146589).

13111555223555 is a wasteful number, since it uses less digits than its factorization.

13111555223555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123366.

The product of its digits is 562500, while the sum is 44.

The spelling of 13111555223555 in words is "thirteen trillion, one hundred eleven billion, five hundred fifty-five million, two hundred twenty-three thousand, five hundred fifty-five".

Divisors: 1 5 61 305 20443 102215 1247023 2102857 6235115 10514285 128274277 641371385 42988705651 214943528255 2622311044711 13111555223555