155555430112 has 48 divisors (see below), whose sum is σ = 307557320112. Its totient is φ = 77446190080.

The previous prime is 155555430109. The next prime is 155555430211. The reversal of 155555430112 is 211034555551.

It is a super-4 number, since 4×155555430112⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9659187 + ... + 9675277.

It is an arithmetic number, because the mean of its divisors is an integer number (6407444169).

Almost surely, 2^155555430112 is an apocalyptic number.

It is an amenable number.

155555430112 is a deficient number, since it is larger than the sum of its proper divisors (152001890000).

155555430112 is a wasteful number, since it uses less digits than its factorization.

155555430112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371 (or 17363 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 37.

Adding to 155555430112 its reverse (211034555551), we get a palindrome (366589985663).

The spelling of 155555430112 in words is "one hundred fifty-five billion, five hundred fifty-five million, four hundred thirty thousand, one hundred twelve".