11565142607 has 2 divisors, whose sum is σ = 11565142608. Its totient is φ = 11565142606.

The previous prime is 11565142591. The next prime is 11565142639. The reversal of 11565142607 is 70624156511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11565142607 - 2⁴ = 11565142591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11565142507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782571303 + 5782571304.

It is an arithmetic number, because the mean of its divisors is an integer number (5782571304).

Almost surely, 2^11565142607 is an apocalyptic number.

11565142607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11565142607 is an equidigital number, since it uses as much as digits as its factorization.

11565142607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 11565142607 in words is "eleven billion, five hundred sixty-five million, one hundred forty-two thousand, six hundred seven".