1151000989 has 2 divisors, whose sum is σ = 1151000990. Its totient is φ = 1151000988.

The previous prime is 1151000959. The next prime is 1151000993. The reversal of 1151000989 is 9890001511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752679225 + 398321764 = 27435^2 + 19958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151000989 - 2⁵ = 1151000957 is a prime.

It is a super-3 number, since 3×1151000989³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151000959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575500494 + 575500495.

It is an arithmetic number, because the mean of its divisors is an integer number (575500495).

Almost surely, 2^1151000989 is an apocalyptic number.

It is an amenable number.

1151000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151000989 is an equidigital number, since it uses as much as digits as its factorization.

1151000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 1151000989 is about 33926.4054830452. The cubic root of 1151000989 is about 1047.9934434865.

The spelling of 1151000989 in words is "one billion, one hundred fifty-one million, nine hundred eighty-nine", and thus it is an aban number.