1252523307611 has 2 divisors, whose sum is σ = 1252523307612. Its totient is φ = 1252523307610.

The previous prime is 1252523307569. The next prime is 1252523307649. The reversal of 1252523307611 is 1167033252521.

It is an a-pointer prime, because the next prime (1252523307649) can be obtained adding 1252523307611 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252523307611 - 2⁶ = 1252523307547 is a prime.

It is a super-2 number, since 2×1252523307611² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1252523307671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626261653805 + 626261653806.

It is an arithmetic number, because the mean of its divisors is an integer number (626261653806).

Almost surely, 2^{1252523307611} is an apocalyptic number.

1252523307611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252523307611 is an equidigital number, since it uses as much as digits as its factorization.

1252523307611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1252523307611 in words is "one trillion, two hundred fifty-two billion, five hundred twenty-three million, three hundred seven thousand, six hundred eleven".