11409990798677 has 2 divisors, whose sum is σ = 11409990798678. Its totient is φ = 11409990798676.

The previous prime is 11409990798673. The next prime is 11409990798781. The reversal of 11409990798677 is 77689709990411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10951162036516 + 458828762161 = 3309254^2 + 677369^2 .

It is a cyclic number.

It is not a de Polignac number, because 11409990798677 - 2² = 11409990798673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11409990798598 and 11409990798607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11409990798673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704995399338 + 5704995399339.

It is an arithmetic number, because the mean of its divisors is an integer number (5704995399339).

Almost surely, 2^{11409990798677} is an apocalyptic number.

It is an amenable number.

11409990798677 is a deficient number, since it is larger than the sum of its proper divisors (1).

11409990798677 is an equidigital number, since it uses as much as digits as its factorization.

11409990798677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432081216, while the sum is 77.

The spelling of 11409990798677 in words is "eleven trillion, four hundred nine billion, nine hundred ninety million, seven hundred ninety-eight thousand, six hundred seventy-seven".