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11311120041 = 3135919724953
BaseRepresentation
bin10101000100011000…
…11111111010101001
31002012021212102200220
422202030133322221
5141131121320131
65110220320253
7550204635234
oct124214377251
932167772626
1011311120041
1148849179a1
1222380a3089
1310b3519a50
1479433a41b
15463047e96
hex2a231fea9

11311120041 has 32 divisors (see below), whose sum is σ = 16601397120. Its totient is φ = 6807704064.

The previous prime is 11311120031. The next prime is 11311120087. The reversal of 11311120041 is 14002111311.

It is not a de Polignac number, because 11311120041 - 219 = 11310595753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11311120041.

It is not an unprimeable number, because it can be changed into a prime (11311120031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440821 + ... + 465773.

It is an arithmetic number, because the mean of its divisors is an integer number (518793660).

Almost surely, 211311120041 is an apocalyptic number.

It is an amenable number.

11311120041 is a deficient number, since it is larger than the sum of its proper divisors (5290277079).

11311120041 is a wasteful number, since it uses less digits than its factorization.

11311120041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25225.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11311120041 its reverse (14002111311), we get a palindrome (25313231352).

The spelling of 11311120041 in words is "eleven billion, three hundred eleven million, one hundred twenty thousand, forty-one".

Divisors: 1 3 13 39 59 177 197 591 767 2301 2561 7683 11623 24953 34869 74859 151099 324389 453297 973167 1472227 4416681 4915741 14747223 19138951 57416853 63904633 191713899 290028719 870086157 3770373347 11311120041