1011130649 has 2 divisors, whose sum is σ = 1011130650. Its totient is φ = 1011130648.

The previous prime is 1011130609. The next prime is 1011130663. The reversal of 1011130649 is 9460311101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 834054400 + 177076249 = 28880^2 + 13307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011130649 - 2¹⁶ = 1011065113 is a prime.

It is a super-2 number, since 2×1011130649² = 2044770378694322402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011130609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505565324 + 505565325.

It is an arithmetic number, because the mean of its divisors is an integer number (505565325).

Almost surely, 2^1011130649 is an apocalyptic number.

It is an amenable number.

1011130649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011130649 is an equidigital number, since it uses as much as digits as its factorization.

1011130649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1011130649 is about 31798.2805981707. The cubic root of 1011130649 is about 1003.6965351245.

The spelling of 1011130649 in words is "one billion, eleven million, one hundred thirty thousand, six hundred forty-nine".