1252335512105 has 8 divisors (see below), whose sum is σ = 1502840416200. Its totient is φ = 1001843208576.

The previous prime is 1252335512009. The next prime is 1252335512119. The reversal of 1252335512105 is 5012155332521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 629069473321 + 623266038784 = 793139^2 + 789472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252335512105 - 2¹² = 1252335508009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930090 + ... + 3330179.

It is an arithmetic number, because the mean of its divisors is an integer number (187855052025).

Almost surely, 2^{1252335512105} is an apocalyptic number.

It is an amenable number.

1252335512105 is a deficient number, since it is larger than the sum of its proper divisors (250504904095).

1252335512105 is an equidigital number, since it uses as much as digits as its factorization.

1252335512105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300283.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1252335512105 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-five million, five hundred twelve thousand, one hundred five".