1234552541111 has 2 divisors, whose sum is σ = 1234552541112. Its totient is φ = 1234552541110.

The previous prime is 1234552541029. The next prime is 1234552541161. The reversal of 1234552541111 is 1111452554321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234552541111 - 2¹⁴ = 1234552524727 is a prime.

It is a super-2 number, since 2×1234552541111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234552541161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617276270555 + 617276270556.

It is an arithmetic number, because the mean of its divisors is an integer number (617276270556).

Almost surely, 2^{1234552541111} is an apocalyptic number.

1234552541111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234552541111 is an equidigital number, since it uses as much as digits as its factorization.

1234552541111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 35.

The spelling of 1234552541111 in words is "one trillion, two hundred thirty-four billion, five hundred fifty-two million, five hundred forty-one thousand, one hundred eleven".