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111203425225 = 5231671404527
BaseRepresentation
bin110011110010000111…
…1011001101111001001
3101122000221212022102201
41213210033121233021
53310221034101400
6123030335200201
711014503342544
oct1474417315711
9348027768381
10111203425225
1143185486312
1219675976061
13a642920439
14554cd6585b
152d5caad06a
hex19e43d9bc9

111203425225 has 12 divisors (see below), whose sum is σ = 137935885824. Its totient is φ = 88934586320.

The previous prime is 111203425219. The next prime is 111203425247. The reversal of 111203425225 is 522524302111.

It is a happy number.

It is not a de Polignac number, because 111203425225 - 23 = 111203425217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111203425193 and 111203425202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623089 + ... + 781438.

It is an arithmetic number, because the mean of its divisors is an integer number (11494657152).

Almost surely, 2111203425225 is an apocalyptic number.

It is an amenable number.

111203425225 is a deficient number, since it is larger than the sum of its proper divisors (26732460599).

111203425225 is a wasteful number, since it uses less digits than its factorization.

111203425225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407704 (or 1407699 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 111203425225 its reverse (522524302111), we get a palindrome (633727727336).

The spelling of 111203425225 in words is "one hundred eleven billion, two hundred three million, four hundred twenty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 3167 15835 79175 1404527 7022635 35113175 4448137009 22240685045 111203425225