1111241323547 has 2 divisors, whose sum is σ = 1111241323548. Its totient is φ = 1111241323546.

The previous prime is 1111241323501. The next prime is 1111241323561. The reversal of 1111241323547 is 7453231421111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111241323547 - 2¹⁶ = 1111241258011 is a prime.

It is a super-2 number, since 2×1111241323547² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111241323567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555620661773 + 555620661774.

It is an arithmetic number, because the mean of its divisors is an integer number (555620661774).

Almost surely, 2^{1111241323547} is an apocalyptic number.

1111241323547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111241323547 is an equidigital number, since it uses as much as digits as its factorization.

1111241323547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

Adding to 1111241323547 its reverse (7453231421111), we get a palindrome (8564472744658).

The spelling of 1111241323547 in words is "one trillion, one hundred eleven billion, two hundred forty-one million, three hundred twenty-three thousand, five hundred forty-seven".