11125801455689 has 2 divisors, whose sum is σ = 11125801455690. Its totient is φ = 11125801455688.

The previous prime is 11125801455641. The next prime is 11125801455707. The reversal of 11125801455689 is 98655410852111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6256201537600 + 4869599918089 = 2501240^2 + 2206717^2 .

It is a cyclic number.

It is not a de Polignac number, because 11125801455689 - 2²⁴ = 11125784678473 is a prime.

It is a super-2 number, since 2×11125801455689² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11125801458689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562900727844 + 5562900727845.

It is an arithmetic number, because the mean of its divisors is an integer number (5562900727845).

Almost surely, 2^{11125801455689} is an apocalyptic number.

It is an amenable number.

11125801455689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11125801455689 is an equidigital number, since it uses as much as digits as its factorization.

11125801455689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456000, while the sum is 56.

The spelling of 11125801455689 in words is "eleven trillion, one hundred twenty-five billion, eight hundred one million, four hundred fifty-five thousand, six hundred eighty-nine".