15421032140005 has 16 divisors (see below), whose sum is σ = 18713393072640. Its totient is φ = 12198059457408.

The previous prime is 15421032139901. The next prime is 15421032140027. The reversal of 15421032140005 is 50004123012451.

It is a cyclic number.

It is not a de Polignac number, because 15421032140005 - 2²¹ = 15421030042853 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, 48374164 + ... + 48691906.

It is an arithmetic number, because the mean of its divisors is an integer number (1169587067040).

Almost surely, 2^{15421032140005} is an apocalyptic number.

It is an amenable number.

15421032140005 is a deficient number, since it is larger than the sum of its proper divisors (3292360932635).

15421032140005 is a wasteful number, since it uses less digits than its factorization.

15421032140005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426900.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15421032140005 its reverse (50004123012451), we get a palindrome (65425155152456).

The spelling of 15421032140005 in words is "fifteen trillion, four hundred twenty-one billion, thirty-two million, one hundred forty thousand, five".