155110220404 has 48 divisors (see below), whose sum is σ = 296339795136. Its totient is φ = 70751116800.

The previous prime is 155110220401. The next prime is 155110220417. The reversal of 155110220404 is 404022011551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155110220401) 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, 180574 + ... + 585514.

It is an arithmetic number, because the mean of its divisors is an integer number (6173745732).

Almost surely, 2^155110220404 is an apocalyptic number.

It is an amenable number.

155110220404 is a deficient number, since it is larger than the sum of its proper divisors (141229574732).

155110220404 is a wasteful number, since it uses less digits than its factorization.

155110220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405136 (or 405134 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 155110220404 its reverse (404022011551), we get a palindrome (559132231955).

The spelling of 155110220404 in words is "one hundred fifty-five billion, one hundred ten million, two hundred twenty thousand, four hundred four".