1252065106351 has 4 divisors (see below), whose sum is σ = 1252068837912. Its totient is φ = 1252061374792.

The previous prime is 1252065106339. The next prime is 1252065106381. The reversal of 1252065106351 is 1536015602521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1252065106351 - 2⁹ = 1252065105839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252065106351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252065106381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306621 + ... + 2052166.

It is an arithmetic number, because the mean of its divisors is an integer number (313017209478).

Almost surely, 2^{1252065106351} is an apocalyptic number.

1252065106351 is a deficient number, since it is larger than the sum of its proper divisors (3731561).

1252065106351 is an equidigital number, since it uses as much as digits as its factorization.

1252065106351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731560.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1252065106351 in words is "one trillion, two hundred fifty-two billion, sixty-five million, one hundred six thousand, three hundred fifty-one".