1421343552541 has 16 divisors (see below), whose sum is σ = 1566127231488. Its totient is φ = 1279158552000.

The previous prime is 1421343552523. The next prime is 1421343552569. The reversal of 1421343552541 is 1452553431241.

It is a cyclic number.

It is not a de Polignac number, because 1421343552541 - 2¹³ = 1421343544349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421343552494 and 1421343552503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421343552511) by changing a digit.

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, 8221396 + ... + 8392498.

It is an arithmetic number, because the mean of its divisors is an integer number (97882951968).

Almost surely, 2^{1421343552541} is an apocalyptic number.

1421343552541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421343552541 is a deficient number, since it is larger than the sum of its proper divisors (144783678947).

1421343552541 is a wasteful number, since it uses less digits than its factorization.

1421343552541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178692.

The product of its digits is 288000, while the sum is 40.

Adding to 1421343552541 its reverse (1452553431241), we get a palindrome (2873896983782).

The spelling of 1421343552541 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, five hundred fifty-two thousand, five hundred forty-one".