1051611133 has 2 divisors, whose sum is σ = 1051611134. Its totient is φ = 1051611132.

The previous prime is 1051611131. The next prime is 1051611193. The reversal of 1051611133 is 3311161501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 884348644 + 167262489 = 29738^2 + 12933^2 .

It is an emirp because it is prime and its reverse (3311161501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051611133 - 2¹ = 1051611131 is a prime.

It is a super-2 number, since 2×1051611133² = 2211771950099087378, which contains 22 as substring.

Together with 1051611131, 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 (1051611131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525805566 + 525805567.

It is an arithmetic number, because the mean of its divisors is an integer number (525805567).

Almost surely, 2^1051611133 is an apocalyptic number.

It is an amenable number.

1051611133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051611133 is an equidigital number, since it uses as much as digits as its factorization.

1051611133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1051611133 is about 32428.5542847658. The cubic root of 1051611133 is about 1016.9159482009.

Adding to 1051611133 its reverse (3311161501), we get a palindrome (4362772634).

The spelling of 1051611133 in words is "one billion, fifty-one million, six hundred eleven thousand, one hundred thirty-three".