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25311176141 is a prime number
BaseRepresentation
bin10111100100101010…
…011110010111001101
32102022222102222020012
4113210222132113031
5403314130114031
615343334203005
71554143306306
oct274452362715
972288388205
1025311176141
11a809554299
124aa47b3465
132504b48304
1413218297ad
159d218cb2b
hex5e4a9e5cd

25311176141 has 2 divisors, whose sum is σ = 25311176142. Its totient is φ = 25311176140.

The previous prime is 25311176131. The next prime is 25311176147. The reversal of 25311176141 is 14167111352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24946938916 + 364237225 = 157946^2 + 19085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25311176141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25311176098 and 25311176107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25311176147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12655588070 + 12655588071.

It is an arithmetic number, because the mean of its divisors is an integer number (12655588071).

Almost surely, 225311176141 is an apocalyptic number.

It is an amenable number.

25311176141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25311176141 is an equidigital number, since it uses as much as digits as its factorization.

25311176141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

Adding to 25311176141 its reverse (14167111352), we get a palindrome (39478287493).

The spelling of 25311176141 in words is "twenty-five billion, three hundred eleven million, one hundred seventy-six thousand, one hundred forty-one".