11512344227567 has 2 divisors, whose sum is σ = 11512344227568. Its totient is φ = 11512344227566.

The previous prime is 11512344227563. The next prime is 11512344227591. The reversal of 11512344227567 is 76572244321511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11512344227567 - 2² = 11512344227563 is a prime.

It is a super-3 number, since 3×11512344227567³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11512344227563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756172113783 + 5756172113784.

It is an arithmetic number, because the mean of its divisors is an integer number (5756172113784).

Almost surely, 2^{11512344227567} is an apocalyptic number.

11512344227567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512344227567 is an equidigital number, since it uses as much as digits as its factorization.

11512344227567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 50.

The spelling of 11512344227567 in words is "eleven trillion, five hundred twelve billion, three hundred forty-four million, two hundred twenty-seven thousand, five hundred sixty-seven".