1500573550441 has 27 divisors (see below), whose sum is σ = 1763715010941. Its totient is φ = 1272968777304.

The previous prime is 1500573550423. The next prime is 1500573550451. The reversal of 1500573550441 is 1440553750051.

It is a happy number.

The square root of 1500573550441 is 1224979.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1500573550441 - 2⁷ = 1500573550313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1500573550394 and 1500573550403.

It is not an unprimeable number, because it can be changed into a prime (1500573550451) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 883209010 + ... + 883210708.

It is an arithmetic number, because the mean of its divisors is an integer number (65322778183).

Almost surely, 2^{1500573550441} is an apocalyptic number.

1500573550441 is the 1224979-th square number.

1500573550441 is the 612490-th centered octagonal number.

It is an amenable number.

1500573550441 is a deficient number, since it is larger than the sum of its proper divisors (263141460500).

1500573550441 is an frugal number, since it uses more digits than its factorization.

1500573550441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 1500573550441 in words is "one trillion, five hundred billion, five hundred seventy-three million, five hundred fifty thousand, four hundred forty-one".