155023130211 has 8 divisors (see below), whose sum is σ = 206700782160. Its totient is φ = 103347115872.

The previous prime is 155023130183. The next prime is 155023130267. The reversal of 155023130211 is 112031320551.

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

It is not a de Polignac number, because 155023130211 - 2¹⁵ = 155023097443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155023130281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168220 + ... + 581673.

It is an arithmetic number, because the mean of its divisors is an integer number (25837597770).

Almost surely, 2^155023130211 is an apocalyptic number.

155023130211 is a deficient number, since it is larger than the sum of its proper divisors (51677651949).

155023130211 is an equidigital number, since it uses as much as digits as its factorization.

155023130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818805.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 155023130211 its reverse (112031320551), we get a palindrome (267054450762).

The spelling of 155023130211 in words is "one hundred fifty-five billion, twenty-three million, one hundred thirty thousand, two hundred eleven".