11331022999649 has 2 divisors, whose sum is σ = 11331022999650. Its totient is φ = 11331022999648.

The previous prime is 11331022999643. The next prime is 11331022999657. The reversal of 11331022999649 is 94699922013311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9888081499024 + 1442941500625 = 3144532^2 + 1201225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331022999649 - 2¹² = 11331022995553 is a prime.

It is a super-3 number, since 3×11331022999649³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11331022999643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665511499824 + 5665511499825.

It is an arithmetic number, because the mean of its divisors is an integer number (5665511499825).

Almost surely, 2^{11331022999649} is an apocalyptic number.

It is an amenable number.

11331022999649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331022999649 is an equidigital number, since it uses as much as digits as its factorization.

11331022999649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 11331022999649 in words is "eleven trillion, three hundred thirty-one billion, twenty-two million, nine hundred ninety-nine thousand, six hundred forty-nine".