11231030757889 has 2 divisors, whose sum is σ = 11231030757890. Its totient is φ = 11231030757888.

The previous prime is 11231030757851. The next prime is 11231030757907. The reversal of 11231030757889 is 98875703013211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10046154967489 + 1184875790400 = 3169567^2 + 1088520^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231030757889 - 2²¹ = 11231028660737 is a prime.

It is a super-2 number, since 2×11231030757889² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231030757809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615515378944 + 5615515378945.

It is an arithmetic number, because the mean of its divisors is an integer number (5615515378945).

Almost surely, 2^{11231030757889} is an apocalyptic number.

It is an amenable number.

11231030757889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231030757889 is an equidigital number, since it uses as much as digits as its factorization.

11231030757889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 11231030757889 in words is "eleven trillion, two hundred thirty-one billion, thirty million, seven hundred fifty-seven thousand, eight hundred eighty-nine".