13142421022505 has 8 divisors (see below), whose sum is σ = 15780198640392. Its totient is φ = 10507741209088.

The previous prime is 13142421022481. The next prime is 13142421022561. The reversal of 13142421022505 is 50522012424131.

It can be written as a sum of positive squares in 4 ways, for example, as 7013964295321 + 6128456727184 = 2648389^2 + 2475572^2 .

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 13142421022505 - 2⁶ = 13142421022441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774441782 + ... + 774458751.

It is an arithmetic number, because the mean of its divisors is an integer number (1972524830049).

Almost surely, 2^{13142421022505} is an apocalyptic number.

It is an amenable number.

13142421022505 is a deficient number, since it is larger than the sum of its proper divisors (2637777617887).

13142421022505 is a wasteful number, since it uses less digits than its factorization.

13142421022505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548902235.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 13142421022505 its reverse (50522012424131), we get a palindrome (63664433446636).

The spelling of 13142421022505 in words is "thirteen trillion, one hundred forty-two billion, four hundred twenty-one million, twenty-two thousand, five hundred five".