155012151135 has 64 divisors (see below), whose sum is σ = 260882270208. Its totient is φ = 78445407744.

The previous prime is 155012151083. The next prime is 155012151137. The reversal of 155012151135 is 531151210551.

It is not a de Polignac number, because 155012151135 - 2⁸ = 155012150879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155012151137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29063929 + ... + 29069261.

It is an arithmetic number, because the mean of its divisors is an integer number (4076285472).

Almost surely, 2^155012151135 is an apocalyptic number.

155012151135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155012151135 is a deficient number, since it is larger than the sum of its proper divisors (105870119073).

155012151135 is a wasteful number, since it uses less digits than its factorization.

155012151135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 155012151135 its reverse (531151210551), we get a palindrome (686163361686).

The spelling of 155012151135 in words is "one hundred fifty-five billion, twelve million, one hundred fifty-one thousand, one hundred thirty-five".