1405252344513 has 16 divisors (see below), whose sum is σ = 1938513703680. Its totient is φ = 904420761216.

The previous prime is 1405252344511. The next prime is 1405252344527. The reversal of 1405252344513 is 3154432525041.

It is not a de Polignac number, because 1405252344513 - 2¹ = 1405252344511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405252344511) 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 in 15 ways as a sum of consecutive naturals, for example, 251545 + ... + 1695222.

It is an arithmetic number, because the mean of its divisors is an integer number (121157106480).

Almost surely, 2^{1405252344513} is an apocalyptic number.

It is an amenable number.

1405252344513 is a deficient number, since it is larger than the sum of its proper divisors (533261359167).

1405252344513 is a wasteful number, since it uses less digits than its factorization.

1405252344513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955096.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 1405252344513 its reverse (3154432525041), we get a palindrome (4559684869554).

The spelling of 1405252344513 in words is "one trillion, four hundred five billion, two hundred fifty-two million, three hundred forty-four thousand, five hundred thirteen".