1355431543101 has 16 divisors (see below), whose sum is σ = 2008782118720. Its totient is φ = 903290104080.

The previous prime is 1355431543043. The next prime is 1355431543181. The reversal of 1355431543101 is 1013451345531.

1355431543101 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 4 + 3 + 1 + 543 + 101 = 666.

It is not a de Polignac number, because 1355431543101 - 2⁷ = 1355431542973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355431543181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9117250 + ... + 9264723.

It is an arithmetic number, because the mean of its divisors is an integer number (125548882420).

Almost surely, 2^{1355431543101} is an apocalyptic number.

It is an amenable number.

1355431543101 is a deficient number, since it is larger than the sum of its proper divisors (653350575619).

1355431543101 is a wasteful number, since it uses less digits than its factorization.

1355431543101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18384713 (or 18384707 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 1355431543101 its reverse (1013451345531), we get a palindrome (2368882888632).

The spelling of 1355431543101 in words is "one trillion, three hundred fifty-five billion, four hundred thirty-one million, five hundred forty-three thousand, one hundred one".