1150556249 has 2 divisors, whose sum is σ = 1150556250. Its totient is φ = 1150556248.

The previous prime is 1150556233. The next prime is 1150556257. The reversal of 1150556249 is 9426550511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846402649 + 304153600 = 29093^2 + 17440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150556249 - 2⁴ = 1150556233 is a prime.

It is a super-2 number, since 2×1150556249² = 2647559364225900002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150556279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575278124 + 575278125.

It is an arithmetic number, because the mean of its divisors is an integer number (575278125).

Almost surely, 2^1150556249 is an apocalyptic number.

It is an amenable number.

1150556249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150556249 is an equidigital number, since it uses as much as digits as its factorization.

1150556249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 1150556249 is about 33919.8503681841. The cubic root of 1150556249 is about 1047.8584466005.

The spelling of 1150556249 in words is "one billion, one hundred fifty million, five hundred fifty-six thousand, two hundred forty-nine".