Search a number
-
+
1111052471 is a prime number
BaseRepresentation
bin100001000111001…
…0101000010110111
32212102122022110112
41002032111002313
54233412134341
6302125413235
736350535014
oct10216250267
92772568415
101111052471
11520184191
1227010a21b
131492505c9
14a77b870b
156781aaeb
hex423950b7

1111052471 has 2 divisors, whose sum is σ = 1111052472. Its totient is φ = 1111052470.

The previous prime is 1111052443. The next prime is 1111052477. The reversal of 1111052471 is 1742501111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111052471 - 26 = 1111052407 is a prime.

It is a super-3 number, since 3×11110524713 (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111052477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555526235 + 555526236.

It is an arithmetic number, because the mean of its divisors is an integer number (555526236).

Almost surely, 21111052471 is an apocalyptic number.

1111052471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111052471 is an equidigital number, since it uses as much as digits as its factorization.

1111052471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1111052471 is about 33332.4537200609. The cubic root of 1111052471 is about 1035.7259474848.

Adding to 1111052471 its reverse (1742501111), we get a palindrome (2853553582).

The spelling of 1111052471 in words is "one billion, one hundred eleven million, fifty-two thousand, four hundred seventy-one".