13421240441015 has 16 divisors (see below), whose sum is σ = 17572164412320. Its totient is φ = 9759490715520.

The previous prime is 13421240440939. The next prime is 13421240441027. The reversal of 13421240441015 is 51014404212431.

It is not a de Polignac number, because 13421240441015 - 2¹⁶ = 13421240375479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17258900 + ... + 18019769.

It is an arithmetic number, because the mean of its divisors is an integer number (1098260275770).

Almost surely, 2^{13421240441015} is an apocalyptic number.

13421240441015 is a deficient number, since it is larger than the sum of its proper divisors (4150923971305).

13421240441015 is a wasteful number, since it uses less digits than its factorization.

13421240441015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35285602.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 13421240441015 its reverse (51014404212431), we get a palindrome (64435644653446).

The spelling of 13421240441015 in words is "thirteen trillion, four hundred twenty-one billion, two hundred forty million, four hundred forty-one thousand, fifteen".