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12631253911 is a prime number
BaseRepresentation
bin10111100001110000…
…11010001110010111
31012121021221011220221
423300320122032113
5201332100111121
65445215335211
7625004613103
oct136070321627
935537834827
1012631253911
1153a2017021
122546221507
131263b84053
1487b7bc903
154dddb3b41
hex2f0e1a397

12631253911 has 2 divisors, whose sum is σ = 12631253912. Its totient is φ = 12631253910.

The previous prime is 12631253881. The next prime is 12631253927. The reversal of 12631253911 is 11935213621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12631253911 - 27 = 12631253783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631233911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315626955 + 6315626956.

It is an arithmetic number, because the mean of its divisors is an integer number (6315626956).

Almost surely, 212631253911 is an apocalyptic number.

12631253911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631253911 is an equidigital number, since it uses as much as digits as its factorization.

12631253911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The spelling of 12631253911 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, nine hundred eleven".