11230345457 has 2 divisors, whose sum is σ = 11230345458. Its totient is φ = 11230345456.

The previous prime is 11230345421. The next prime is 11230345463. The reversal of 11230345457 is 75454303211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10410324961 + 820020496 = 102031^2 + 28636^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230345457 - 2¹² = 11230341361 is a prime.

It is a super-2 number, since 2×11230345457² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11230395457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615172728 + 5615172729.

It is an arithmetic number, because the mean of its divisors is an integer number (5615172729).

Almost surely, 2^11230345457 is an apocalyptic number.

It is an amenable number.

11230345457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230345457 is an equidigital number, since it uses as much as digits as its factorization.

11230345457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 11230345457 its reverse (75454303211), we get a palindrome (86684648668).

The spelling of 11230345457 in words is "eleven billion, two hundred thirty million, three hundred forty-five thousand, four hundred fifty-seven".