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12552131605255 = 5111491531681709
BaseRepresentation
bin1011011010101000010101…
…0110000111001100000111
31122102222020122002202100121
42312222011112013030013
53121123231142332010
642410211502322411
72433601344144244
oct266520526071407
948388218082317
1012552131605255
113aaa36906a990
1214a882b589407
137008790b2a58
143157526885cb
1516b79a6053da
hexb6a85587307

12552131605255 has 16 divisors (see below), whose sum is σ = 16542162468000. Its totient is φ = 9067555711360.

The previous prime is 12552131605249. The next prime is 12552131605283. The reversal of 12552131605255 is 55250613125521.

It is not a de Polignac number, because 12552131605255 - 221 = 12552129508103 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, 765832660 + ... + 765849049.

It is an arithmetic number, because the mean of its divisors is an integer number (1033885154250).

Almost surely, 212552131605255 is an apocalyptic number.

12552131605255 is a deficient number, since it is larger than the sum of its proper divisors (3990030862745).

12552131605255 is a wasteful number, since it uses less digits than its factorization.

12552131605255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531681874.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 12552131605255 in words is "twelve trillion, five hundred fifty-two billion, one hundred thirty-one million, six hundred five thousand, two hundred fifty-five".

Divisors: 1 5 11 55 149 745 1639 8195 1531681709 7658408545 16848498799 84242493995 228220574641 1141102873205 2510426321051 12552131605255