1501200505420 has 48 divisors (see below), whose sum is σ = 3930415872768. Its totient is φ = 467906650560.

The previous prime is 1501200505403. The next prime is 1501200505481. The reversal of 1501200505420 is 245050021051.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487401222 + ... + 487404301.

It is an arithmetic number, because the mean of its divisors is an integer number (81883664016).

Almost surely, 2^{1501200505420} is an apocalyptic number.

1501200505420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501200505420 is an abundant number, since it is smaller than the sum of its proper divisors (2429215367348).

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

1501200505420 is a wasteful number, since it uses less digits than its factorization.

1501200505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974805550 (or 974805548 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 1501200505420 its reverse (245050021051), we get a palindrome (1746250526471).

The spelling of 1501200505420 in words is "one trillion, five hundred one billion, two hundred million, five hundred five thousand, four hundred twenty".