15145204130020 has 12 divisors (see below), whose sum is σ = 31804928673084. Its totient is φ = 6058081652000.

The previous prime is 15145204130009. The next prime is 15145204130099. The reversal of 15145204130020 is 2003140254151.

It can be written as a sum of positive squares in 2 ways, for example, as 3913844982336 + 11231359147684 = 1978344^2 + 3351322^2 .

It is a super-3 number, since 3×15145204130020³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378630103231 + ... + 378630103270.

It is an arithmetic number, because the mean of its divisors is an integer number (2650410722757).

Almost surely, 2^{15145204130020} is an apocalyptic number.

15145204130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15145204130020 is an abundant number, since it is smaller than the sum of its proper divisors (16659724543064).

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

15145204130020 is a wasteful number, since it uses less digits than its factorization.

15145204130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757260206510 (or 757260206508 counting only the distinct ones).

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

Adding to 15145204130020 its reverse (2003140254151), we get a palindrome (17148344384171).

The spelling of 15145204130020 in words is "fifteen trillion, one hundred forty-five billion, two hundred four million, one hundred thirty thousand, twenty".