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11945372863 is a prime number
BaseRepresentation
bin10110001111111111…
…11110110010111111
31010211111022211000011
423013333332302333
5143431003412423
65253154444051
7602005664644
oct130777766277
933744284004
1011945372863
11507a940486
122394593627
131184a49288
1481467bdcb
1549da7eb0d
hex2c7ffecbf

11945372863 has 2 divisors, whose sum is σ = 11945372864. Its totient is φ = 11945372862.

The previous prime is 11945372819. The next prime is 11945372869. The reversal of 11945372863 is 36827354911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11945372863 - 233 = 3355438271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11945372869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972686431 + 5972686432.

It is an arithmetic number, because the mean of its divisors is an integer number (5972686432).

Almost surely, 211945372863 is an apocalyptic number.

11945372863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11945372863 is an equidigital number, since it uses as much as digits as its factorization.

11945372863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The spelling of 11945372863 in words is "eleven billion, nine hundred forty-five million, three hundred seventy-two thousand, eight hundred sixty-three".