1530443400211 has 4 divisors (see below), whose sum is σ = 1669574618424. Its totient is φ = 1391312182000.

The previous prime is 1530443400139. The next prime is 1530443400221. The reversal of 1530443400211 is 1120043440351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1530443400211 - 2¹⁵ = 1530443367443 is a prime.

It is a super-2 number, since 2×1530443400211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530443400211.

It is not an unprimeable number, because it can be changed into a prime (1530443400221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69565609090 + ... + 69565609111.

It is an arithmetic number, because the mean of its divisors is an integer number (417393654606).

Almost surely, 2^{1530443400211} is an apocalyptic number.

1530443400211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1530443400211 is a deficient number, since it is larger than the sum of its proper divisors (139131218213).

1530443400211 is a wasteful number, since it uses less digits than its factorization.

1530443400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139131218212.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1530443400211 its reverse (1120043440351), we get a palindrome (2650486840562).

The spelling of 1530443400211 in words is "one trillion, five hundred thirty billion, four hundred forty-three million, four hundred thousand, two hundred eleven".