155830512551133 has 32 divisors (see below), whose sum is σ = 239067218790400. Its totient is φ = 88443374627520.

The previous prime is 155830512551101. The next prime is 155830512551137. The reversal of 155830512551133 is 331155215038551.

155830512551133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155830512551133 - 2⁵ = 155830512551101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155830512551137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30266110 + ... + 35038527.

It is an arithmetic number, because the mean of its divisors is an integer number (7470850587200).

Almost surely, 2^{155830512551133} is an apocalyptic number.

It is an amenable number.

155830512551133 is a deficient number, since it is larger than the sum of its proper divisors (83236706239267).

155830512551133 is a wasteful number, since it uses less digits than its factorization.

155830512551133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65305417.

The product of its (nonzero) digits is 1350000, while the sum is 48.

Adding to 155830512551133 its reverse (331155215038551), we get a palindrome (486985727589684).

The spelling of 155830512551133 in words is "one hundred fifty-five trillion, eight hundred thirty billion, five hundred twelve million, five hundred fifty-one thousand, one hundred thirty-three".