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51055055011 is a prime number
BaseRepresentation
bin101111100011000111…
…100101000010100011
311212210010002112000101
4233203013211002203
51314030043230021
635242051003231
73455122543612
oct574307450243
9155703075011
1051055055011
111a71a27a544
129a8a299517
134a7851512c
1426848cd879
1514dc2eda91
hexbe31e50a3

51055055011 has 2 divisors, whose sum is σ = 51055055012. Its totient is φ = 51055055010.

The previous prime is 51055054943. The next prime is 51055055039. The reversal of 51055055011 is 11055055015.

51055055011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51055055039) can be obtained adding 51055055011 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51055055011 - 217 = 51054923939 is a prime.

It is not a weakly prime, because it can be changed into another prime (51055055071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527527505 + 25527527506.

It is an arithmetic number, because the mean of its divisors is an integer number (25527527506).

Almost surely, 251055055011 is an apocalyptic number.

51055055011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055055011 is an equidigital number, since it uses as much as digits as its factorization.

51055055011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 51055055011 in words is "fifty-one billion, fifty-five million, fifty-five thousand, eleven".