15301421130225 has 48 divisors (see below), whose sum is σ = 26400009434112. Its totient is φ = 7805430346560.

The previous prime is 15301421130187. The next prime is 15301421130227. The reversal of 15301421130225 is 52203112410351.

It is a happy number.

It is not a de Polignac number, because 15301421130225 - 2¹² = 15301421126129 is a prime.

It is a super-4 number, since 4×15301421130225⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 15301421130192 and 15301421130201.

It is not an unprimeable number, because it can be changed into a prime (15301421130227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26742484 + ... + 27308666.

It is an arithmetic number, because the mean of its divisors is an integer number (550000196544).

Almost surely, 2^{15301421130225} is an apocalyptic number.

15301421130225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15301421130225 is a deficient number, since it is larger than the sum of its proper divisors (11098588303887).

15301421130225 is a wasteful number, since it uses less digits than its factorization.

15301421130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581886 (or 581881 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 15301421130225 its reverse (52203112410351), we get a palindrome (67504533540576).

The spelling of 15301421130225 in words is "fifteen trillion, three hundred one billion, four hundred twenty-one million, one hundred thirty thousand, two hundred twenty-five".