1252335503345 has 4 divisors (see below), whose sum is σ = 1502802604020. Its totient is φ = 1001868402672.

The previous prime is 1252335503303. The next prime is 1252335503369. The reversal of 1252335503345 is 5433055332521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 745323149041 + 507012354304 = 863321^2 + 712048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252335503345 is a prime.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 125233550330 + ... + 125233550339.

It is an arithmetic number, because the mean of its divisors is an integer number (375700651005).

Almost surely, 2^{1252335503345} is an apocalyptic number.

It is an amenable number.

1252335503345 is a deficient number, since it is larger than the sum of its proper divisors (250467100675).

1252335503345 is an equidigital number, since it uses as much as digits as its factorization.

1252335503345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250467100674.

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 1252335503345 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-five million, five hundred three thousand, three hundred forty-five".