1264612450111 has 2 divisors, whose sum is σ = 1264612450112. Its totient is φ = 1264612450110.

The previous prime is 1264612450081. The next prime is 1264612450147. The reversal of 1264612450111 is 1110542164621.

It is a weak prime.

It is an emirp because it is prime and its reverse (1110542164621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1264612450111 - 2¹¹ = 1264612448063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264612454111) 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, 632306225055 + 632306225056.

It is an arithmetic number, because the mean of its divisors is an integer number (632306225056).

Almost surely, 2^{1264612450111} is an apocalyptic number.

1264612450111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264612450111 is an equidigital number, since it uses as much as digits as its factorization.

1264612450111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 1264612450111 in words is "one trillion, two hundred sixty-four billion, six hundred twelve million, four hundred fifty thousand, one hundred eleven".