135543405251355 has 16 divisors (see below), whose sum is σ = 216964275500544. Its totient is φ = 72258207101280.

The previous prime is 135543405251281. The next prime is 135543405251411. The reversal of 135543405251355 is 553152504345531.

It is not a de Polignac number, because 135543405251355 - 2¹² = 135543405247259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135543405251298 and 135543405251307.

It is an unprimeable number.

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, 1975529101 + ... + 1975597710.

It is an arithmetic number, because the mean of its divisors is an integer number (13560267218784).

Almost surely, 2^{135543405251355} is an apocalyptic number.

135543405251355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135543405251355 is a deficient number, since it is larger than the sum of its proper divisors (81420870249189).

135543405251355 is a wasteful number, since it uses less digits than its factorization.

135543405251355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951129106.

The product of its (nonzero) digits is 13500000, while the sum is 51.

Adding to 135543405251355 its reverse (553152504345531), we get a palindrome (688695909596886).

The spelling of 135543405251355 in words is "one hundred thirty-five trillion, five hundred forty-three billion, four hundred five million, two hundred fifty-one thousand, three hundred fifty-five".