11290678549 has 2 divisors, whose sum is σ = 11290678550. Its totient is φ = 11290678548.

The previous prime is 11290678543. The next prime is 11290678601. The reversal of 11290678549 is 94587609211.

It is an a-pointer prime, because the next prime (11290678601) can be obtained adding 11290678549 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11176295524 + 114383025 = 105718^2 + 10695^2 .

It is a cyclic number.

It is not a de Polignac number, because 11290678549 - 2¹³ = 11290670357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11290678496 and 11290678505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11290678543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645339274 + 5645339275.

It is an arithmetic number, because the mean of its divisors is an integer number (5645339275).

Almost surely, 2^11290678549 is an apocalyptic number.

It is an amenable number.

11290678549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11290678549 is an equidigital number, since it uses as much as digits as its factorization.

11290678549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 11290678549 in words is "eleven billion, two hundred ninety million, six hundred seventy-eight thousand, five hundred forty-nine".