Search a number
-
+
1061511151 is a prime number
BaseRepresentation
bin111111010001010…
…101111111101111
32201222102100112211
4333101111333233
54133221324101
6253155511251
735206460461
oct7721257757
92658370484
101061511151
114a5217048
122575b8527
1313bbc5c0c
14a0da0131
15632d1c51
hex3f455fef

1061511151 has 2 divisors, whose sum is σ = 1061511152. Its totient is φ = 1061511150.

The previous prime is 1061511149. The next prime is 1061511181. The reversal of 1061511151 is 1511151601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061511151 - 21 = 1061511149 is a prime.

It is a super-2 number, since 2×10615111512 = 2253611847394689602, which contains 22 as substring.

Together with 1061511149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061511181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530755575 + 530755576.

It is an arithmetic number, because the mean of its divisors is an integer number (530755576).

Almost surely, 21061511151 is an apocalyptic number.

1061511151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061511151 is an equidigital number, since it uses as much as digits as its factorization.

1061511151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 22.

The square root of 1061511151 is about 32580.8402439225. The cubic root of 1061511151 is about 1020.0971171786.

Adding to 1061511151 its reverse (1511151601), we get a palindrome (2572662752).

The spelling of 1061511151 in words is "one billion, sixty-one million, five hundred eleven thousand, one hundred fifty-one".