135355555563 has 4 divisors (see below), whose sum is σ = 180474074088. Its totient is φ = 90237037040.

The previous prime is 135355555561. The next prime is 135355555567. The reversal of 135355555563 is 365555553531.

It is a happy number.

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 135355555563 - 2¹ = 135355555561 is a prime.

It is a super-2 number, since 2×135355555563² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135355555561) 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, 22559259258 + ... + 22559259263.

It is an arithmetic number, because the mean of its divisors is an integer number (45118518522).

Almost surely, 2^135355555563 is an apocalyptic number.

135355555563 is a deficient number, since it is larger than the sum of its proper divisors (45118518525).

135355555563 is an equidigital number, since it uses as much as digits as its factorization.

135355555563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118518524.

The product of its digits is 12656250, while the sum is 51.

The spelling of 135355555563 in words is "one hundred thirty-five billion, three hundred fifty-five million, five hundred fifty-five thousand, five hundred sixty-three".