15421425153132 has 192 divisors, whose sum is σ = 38766318796800. Its totient is φ = 4756826891520.

The previous prime is 15421425153109. The next prime is 15421425153143. The reversal of 15421425153132 is 23135152412451.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1299515863 + ... + 1299527729.

It is an arithmetic number, because the mean of its divisors is an integer number (201907910400).

Almost surely, 2^{15421425153132} is an apocalyptic number.

15421425153132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15421425153132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19383159398400).

15421425153132 is an abundant number, since it is smaller than the sum of its proper divisors (23344893643668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15421425153132 is a wasteful number, since it uses less digits than its factorization.

15421425153132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596 (or 12594 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

Adding to 15421425153132 its reverse (23135152412451), we get a palindrome (38556577565583).

The spelling of 15421425153132 in words is "fifteen trillion, four hundred twenty-one billion, four hundred twenty-five million, one hundred fifty-three thousand, one hundred thirty-two".