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5520015011161 = 7788573573023
BaseRepresentation
bin101000001010011101010…
…0010001010110101011001
3201112201010100002202100101
41100110322202022311121
51210414442320324121
615423505422535401
71106544055265650
oct120247242126531
921481110082311
105520015011161
1118390306270a2
12751995a37561
133106c5a443c1
14151254c7c197
15988c5588491
hex5053a88ad59

5520015011161 has 4 divisors (see below), whose sum is σ = 6308588584192. Its totient is φ = 4731441438132.

The previous prime is 5520015011047. The next prime is 5520015011209. The reversal of 5520015011161 is 1611105100255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5520015011161 - 27 = 5520015011033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5520015011561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394286786505 + ... + 394286786518.

It is an arithmetic number, because the mean of its divisors is an integer number (1577147146048).

Almost surely, 25520015011161 is an apocalyptic number.

It is an amenable number.

5520015011161 is a deficient number, since it is larger than the sum of its proper divisors (788573573031).

5520015011161 is an equidigital number, since it uses as much as digits as its factorization.

5520015011161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788573573030.

The product of its (nonzero) digits is 1500, while the sum is 28.

The spelling of 5520015011161 in words is "five trillion, five hundred twenty billion, fifteen million, eleven thousand, one hundred sixty-one".

Divisors: 1 7 788573573023 5520015011161