1111258006321 has 2 divisors, whose sum is σ = 1111258006322. Its totient is φ = 1111258006320.

The previous prime is 1111258006319. The next prime is 1111258006351. The reversal of 1111258006321 is 1236008521111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966359777296 + 144898229025 = 983036^2 + 380655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111258006321 - 2¹ = 1111258006319 is a prime.

It is a super-2 number, since 2×1111258006321² (a number of 25 digits) contains 22 as substring.

Together with 1111258006319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111258006351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555629003160 + 555629003161.

It is an arithmetic number, because the mean of its divisors is an integer number (555629003161).

Almost surely, 2^{1111258006321} is an apocalyptic number.

It is an amenable number.

1111258006321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111258006321 is an equidigital number, since it uses as much as digits as its factorization.

1111258006321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The spelling of 1111258006321 in words is "one trillion, one hundred eleven billion, two hundred fifty-eight million, six thousand, three hundred twenty-one".