1135550957 has 2 divisors, whose sum is σ = 1135550958. Its totient is φ = 1135550956.

The previous prime is 1135550953. The next prime is 1135550981. The reversal of 1135550957 is 7590555311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966836836 + 168714121 = 31094^2 + 12989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135550957 - 2² = 1135550953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135550953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567775478 + 567775479.

It is an arithmetic number, because the mean of its divisors is an integer number (567775479).

Almost surely, 2^1135550957 is an apocalyptic number.

It is an amenable number.

1135550957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135550957 is an equidigital number, since it uses as much as digits as its factorization.

1135550957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118125, while the sum is 41.

The square root of 1135550957 is about 33697.9369843318. The cubic root of 1135550957 is about 1043.2831885200.

The spelling of 1135550957 in words is "one billion, one hundred thirty-five million, five hundred fifty thousand, nine hundred fifty-seven".