155201415135 has 16 divisors (see below), whose sum is σ = 267423977184. Its totient is φ = 76406850432.

The previous prime is 155201415107. The next prime is 155201415139. The reversal of 155201415135 is 531514102551.

It is a happy number.

It is not a de Polignac number, because 155201415135 - 2⁹ = 155201414623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155201415096 and 155201415105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155201415139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397952152 + ... + 397952541.

It is an arithmetic number, because the mean of its divisors is an integer number (16713998574).

Almost surely, 2^155201415135 is an apocalyptic number.

155201415135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155201415135 is a deficient number, since it is larger than the sum of its proper divisors (112222562049).

155201415135 is a wasteful number, since it uses less digits than its factorization.

155201415135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795904714.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 155201415135 its reverse (531514102551), we get a palindrome (686715517686).

The spelling of 155201415135 in words is "one hundred fifty-five billion, two hundred one million, four hundred fifteen thousand, one hundred thirty-five".