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11072678381 is a prime number
BaseRepresentation
bin10100100111111101…
…11010100111101101
31001120200012100020022
422103332322213231
5140134101202011
65030421531525
7541251133112
oct122376724755
931520170208
1011072678381
114772269176
122190273ba5
131075cc32cb
147707cc909
1544c1488db
hex293fba9ed

11072678381 has 2 divisors, whose sum is σ = 11072678382. Its totient is φ = 11072678380.

The previous prime is 11072678359. The next prime is 11072678429. The reversal of 11072678381 is 18387627011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7509782281 + 3562896100 = 86659^2 + 59690^2 .

It is a cyclic number.

It is not a de Polignac number, because 11072678381 - 226 = 11005569517 is a prime.

It is a super-2 number, since 2×110726783812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11072678081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536339190 + 5536339191.

It is an arithmetic number, because the mean of its divisors is an integer number (5536339191).

Almost surely, 211072678381 is an apocalyptic number.

It is an amenable number.

11072678381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11072678381 is an equidigital number, since it uses as much as digits as its factorization.

11072678381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 11072678381 in words is "eleven billion, seventy-two million, six hundred seventy-eight thousand, three hundred eighty-one".