15421310055000 has 240 divisors, whose sum is σ = 52208273317200. Its totient is φ = 4110976800000.

The previous prime is 15421310054999. The next prime is 15421310055007. The reversal of 15421310055000 is 55001312451.

15421310055000 is a `hidden beast` number, since 1 + 5 + 4 + 2 + 1 + 3 + 100 + 550 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15421310055007) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 138499350 + ... + 138610650.

It is an arithmetic number, because the mean of its divisors is an integer number (217534472155).

Almost surely, 2^{15421310055000} is an apocalyptic number.

15421310055000 is a gapful number since it is divisible by the number (10) 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 15421310055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26104136658600).

15421310055000 is an abundant number, since it is smaller than the sum of its proper divisors (36786963262200).

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

15421310055000 is a wasteful number, since it uses less digits than its factorization.

15421310055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114412 (or 114390 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 15421310055000 its reverse (55001312451), we get a palindrome (15476311367451).

The spelling of 15421310055000 in words is "fifteen trillion, four hundred twenty-one billion, three hundred ten million, fifty-five thousand".