1521472226543 has 8 divisors (see below), whose sum is σ = 1525918303728. Its totient is φ = 1517030446464.

The previous prime is 1521472226513. The next prime is 1521472226569. The reversal of 1521472226543 is 3456222741251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1521472226543 - 2⁶ = 1521472226479 is a prime.

It is a super-2 number, since 2×1521472226543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1521472226494 and 1521472226503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521472226513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364421 + ... + 1782062.

It is an arithmetic number, because the mean of its divisors is an integer number (190739787966).

Almost surely, 2^{1521472226543} is an apocalyptic number.

1521472226543 is a deficient number, since it is larger than the sum of its proper divisors (4446077185).

1521472226543 is a wasteful number, since it uses less digits than its factorization.

1521472226543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148553.

The product of its digits is 806400, while the sum is 44.

Adding to 1521472226543 its reverse (3456222741251), we get a palindrome (4977694967794).

The spelling of 1521472226543 in words is "one trillion, five hundred twenty-one billion, four hundred seventy-two million, two hundred twenty-six thousand, five hundred forty-three".