11287695002149 has 2 divisors, whose sum is σ = 11287695002150. Its totient is φ = 11287695002148.

The previous prime is 11287695002131. The next prime is 11287695002231. The reversal of 11287695002149 is 94120059678211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9134599522500 + 2153095479649 = 3022350^2 + 1467343^2 .

It is a cyclic number.

It is not a de Polignac number, because 11287695002149 - 2⁹ = 11287695001637 is a prime.

It is a super-2 number, since 2×11287695002149² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11287695002149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11287695002249) 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, 5643847501074 + 5643847501075.

It is an arithmetic number, because the mean of its divisors is an integer number (5643847501075).

Almost surely, 2^{11287695002149} is an apocalyptic number.

It is an amenable number.

11287695002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287695002149 is an equidigital number, since it uses as much as digits as its factorization.

11287695002149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 11287695002149 in words is "eleven trillion, two hundred eighty-seven billion, six hundred ninety-five million, two thousand, one hundred forty-nine".