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26422051181 is a prime number
BaseRepresentation
bin11000100110111000…
…001000000101101101
32112012101202021022012
4120212320020011231
5413103021114211
620045500131005
71623522505121
oct304670100555
975171667265
1026422051181
1110229617139
125154836a65
132651035c16
1413c9199581
15a49970d8b
hex626e0816d

26422051181 has 2 divisors, whose sum is σ = 26422051182. Its totient is φ = 26422051180.

The previous prime is 26422051141. The next prime is 26422051213. The reversal of 26422051181 is 18115022462.

It is an a-pointer prime, because the next prime (26422051213) can be obtained adding 26422051181 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20440420900 + 5981630281 = 142970^2 + 77341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26422051181 is a prime.

It is a super-2 number, since 2×264220511812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26422051141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211025590 + 13211025591.

It is an arithmetic number, because the mean of its divisors is an integer number (13211025591).

Almost surely, 226422051181 is an apocalyptic number.

It is an amenable number.

26422051181 is a deficient number, since it is larger than the sum of its proper divisors (1).

26422051181 is an equidigital number, since it uses as much as digits as its factorization.

26422051181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 26422051181 in words is "twenty-six billion, four hundred twenty-two million, fifty-one thousand, one hundred eighty-one".