155164132612231 has 8 divisors (see below), whose sum is σ = 159229108538640. Its totient is φ = 151141280788992.

The previous prime is 155164132612219. The next prime is 155164132612267. The reversal of 155164132612231 is 132216231461551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155164132612231 is a prime.

It is a super-2 number, since 2×155164132612231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155164132610231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10531018330 + ... + 10531033063.

It is an arithmetic number, because the mean of its divisors is an integer number (19903638567330).

Almost surely, 2^{155164132612231} is an apocalyptic number.

155164132612231 is a deficient number, since it is larger than the sum of its proper divisors (4064975926409).

155164132612231 is a wasteful number, since it uses less digits than its factorization.

155164132612231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21062051585.

The product of its digits is 259200, while the sum is 43.

The spelling of 155164132612231 in words is "one hundred fifty-five trillion, one hundred sixty-four billion, one hundred thirty-two million, six hundred twelve thousand, two hundred thirty-one".