1136690440021 has 2 divisors, whose sum is σ = 1136690440022. Its totient is φ = 1136690440020.

The previous prime is 1136690439979. The next prime is 1136690440031. The reversal of 1136690440021 is 1200440966311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071558295921 + 65132144100 = 1035161^2 + 255210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136690440021 - 2⁹ = 1136690439509 is a prime.

It is a super-3 number, since 3×1136690440021³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136690440031) 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, 568345220010 + 568345220011.

It is an arithmetic number, because the mean of its divisors is an integer number (568345220011).

Almost surely, 2^{1136690440021} is an apocalyptic number.

It is an amenable number.

1136690440021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136690440021 is an equidigital number, since it uses as much as digits as its factorization.

1136690440021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 1136690440021 in words is "one trillion, one hundred thirty-six billion, six hundred ninety million, four hundred forty thousand, twenty-one".