135555155212 has 12 divisors (see below), whose sum is σ = 237445112016. Its totient is φ = 67713694640.

The previous prime is 135555155209. The next prime is 135555155227. The reversal of 135555155212 is 212551555531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15965968 + ... + 15974455.

It is an arithmetic number, because the mean of its divisors is an integer number (19787092668).

Almost surely, 2^135555155212 is an apocalyptic number.

It is an amenable number.

135555155212 is a deficient number, since it is larger than the sum of its proper divisors (101889956804).

135555155212 is a wasteful number, since it uses less digits than its factorization.

135555155212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31941488 (or 31941486 counting only the distinct ones).

The product of its digits is 187500, while the sum is 40.

The spelling of 135555155212 in words is "one hundred thirty-five billion, five hundred fifty-five million, one hundred fifty-five thousand, two hundred twelve".