1264612454111 has 2 divisors, whose sum is σ = 1264612454112. Its totient is φ = 1264612454110.

The previous prime is 1264612454093. The next prime is 1264612454173. The reversal of 1264612454111 is 1114542164621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264612454111 - 2¹⁰ = 1264612453087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264612454191) 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, 632306227055 + 632306227056.

It is an arithmetic number, because the mean of its divisors is an integer number (632306227056).

Almost surely, 2^{1264612454111} is an apocalyptic number.

1264612454111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264612454111 is an equidigital number, since it uses as much as digits as its factorization.

1264612454111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 38.

The spelling of 1264612454111 in words is "one trillion, two hundred sixty-four billion, six hundred twelve million, four hundred fifty-four thousand, one hundred eleven".