1350623001305 has 4 divisors (see below), whose sum is σ = 1620747601572. Its totient is φ = 1080498401040.

The previous prime is 1350623001257. The next prime is 1350623001317. The reversal of 1350623001305 is 5031003260531.

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 696784189696 + 653838811609 = 834736^2 + 808603^2 .

It is not a de Polignac number, because 1350623001305 - 2¹² = 1350622997209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135062300126 + ... + 135062300135.

It is an arithmetic number, because the mean of its divisors is an integer number (405186900393).

Almost surely, 2^{1350623001305} is an apocalyptic number.

It is an amenable number.

1350623001305 is a deficient number, since it is larger than the sum of its proper divisors (270124600267).

1350623001305 is an equidigital number, since it uses as much as digits as its factorization.

1350623001305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270124600266.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 1350623001305 its reverse (5031003260531), we get a palindrome (6381626261836).

The spelling of 1350623001305 in words is "one trillion, three hundred fifty billion, six hundred twenty-three million, one thousand, three hundred five".