11124556666877 has 2 divisors, whose sum is σ = 11124556666878. Its totient is φ = 11124556666876.

The previous prime is 11124556666831. The next prime is 11124556666931. The reversal of 11124556666877 is 77866665542111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9023619476356 + 2100937190521 = 3003934^2 + 1449461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11124556666877 is a prime.

It is a super-2 number, since 2×11124556666877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11124556666477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562278333438 + 5562278333439.

It is an arithmetic number, because the mean of its divisors is an integer number (5562278333439).

Almost surely, 2^{11124556666877} is an apocalyptic number.

It is an amenable number.

11124556666877 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124556666877 is an equidigital number, since it uses as much as digits as its factorization.

11124556666877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 65.

The spelling of 11124556666877 in words is "eleven trillion, one hundred twenty-four billion, five hundred fifty-six million, six hundred sixty-six thousand, eight hundred seventy-seven".