1150200661 has 2 divisors, whose sum is σ = 1150200662. Its totient is φ = 1150200660.

The previous prime is 1150200641. The next prime is 1150200713. The reversal of 1150200661 is 1660020511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022080900 + 128119761 = 31970^2 + 11319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150200661 - 2²⁹ = 613329749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150200641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575100330 + 575100331.

It is an arithmetic number, because the mean of its divisors is an integer number (575100331).

Almost surely, 2^1150200661 is an apocalyptic number.

It is an amenable number.

1150200661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150200661 is an equidigital number, since it uses as much as digits as its factorization.

1150200661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1150200661 is about 33914.6083716147. The cubic root of 1150200661 is about 1047.7504859853.

The spelling of 1150200661 in words is "one billion, one hundred fifty million, two hundred thousand, six hundred sixty-one".