1134551081 has 2 divisors, whose sum is σ = 1134551082. Its totient is φ = 1134551080.

The previous prime is 1134551069. The next prime is 1134551147. The reversal of 1134551081 is 1801554311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1130035456 + 4515625 = 33616^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134551081 - 2¹⁰ = 1134550057 is a prime.

It is a super-2 number, since 2×1134551081² = 2574412310796537122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1134551381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567275540 + 567275541.

It is an arithmetic number, because the mean of its divisors is an integer number (567275541).

Almost surely, 2^1134551081 is an apocalyptic number.

It is an amenable number.

1134551081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134551081 is an equidigital number, since it uses as much as digits as its factorization.

1134551081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 29.

The square root of 1134551081 is about 33683.0978533745. The cubic root of 1134551081 is about 1042.9768878244.

It can be divided in two parts, 11345 and 51081, that added together give a palindrome (62426).

The spelling of 1134551081 in words is "one billion, one hundred thirty-four million, five hundred fifty-one thousand, eighty-one".