135044251155 has 48 divisors (see below), whose sum is σ = 256373994240. Its totient is φ = 65215080000.

The previous prime is 135044251127. The next prime is 135044251171. The reversal of 135044251155 is 551152440531.

135044251155 is a `hidden beast` number, since 1 + 3 + 50 + 4 + 42 + 511 + 55 = 666.

It is not a de Polignac number, because 135044251155 - 2⁶ = 135044251091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 419215 + ... + 667704.

It is an arithmetic number, because the mean of its divisors is an integer number (5341124880).

Almost surely, 2^135044251155 is an apocalyptic number.

135044251155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135044251155 is a deficient number, since it is larger than the sum of its proper divisors (121329743085).

135044251155 is a wasteful number, since it uses less digits than its factorization.

135044251155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087192 (or 1087189 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 135044251155 its reverse (551152440531), we get a palindrome (686196691686).

The spelling of 135044251155 in words is "one hundred thirty-five billion, forty-four million, two hundred fifty-one thousand, one hundred fifty-five".