1501473121530 has 32 divisors (see below), whose sum is σ = 3657319608384. Its totient is φ = 394416819456.

The previous prime is 1501473121529. The next prime is 1501473121549. The reversal of 1501473121530 is 351213741051.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1501473121491 and 1501473121500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373498767 + ... + 373502786.

It is an arithmetic number, because the mean of its divisors is an integer number (114291237762).

Almost surely, 2^{1501473121530} is an apocalyptic number.

1501473121530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1501473121530 is an abundant number, since it is smaller than the sum of its proper divisors (2155846486854).

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

1501473121530 is a wasteful number, since it uses less digits than its factorization.

1501473121530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747001630.

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 1501473121530 its reverse (351213741051), we get a palindrome (1852686862581).

The spelling of 1501473121530 in words is "one trillion, five hundred one billion, four hundred seventy-three million, one hundred twenty-one thousand, five hundred thirty".