155115276112 has 20 divisors (see below), whose sum is σ = 300551138496. Its totient is φ = 77553692000.

The previous prime is 155115276109. The next prime is 155115276131. The reversal of 155115276112 is 211672511551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91737 + ... + 564487.

Almost surely, 2^155115276112 is an apocalyptic number.

It is an amenable number.

155115276112 is a deficient number, since it is larger than the sum of its proper divisors (145435862384).

155115276112 is a wasteful number, since it uses less digits than its factorization.

155115276112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493266 (or 493260 counting only the distinct ones).

The product of its digits is 21000, while the sum is 37.

Adding to 155115276112 its reverse (211672511551), we get a palindrome (366787787663).

The spelling of 155115276112 in words is "one hundred fifty-five billion, one hundred fifteen million, two hundred seventy-six thousand, one hundred twelve".