155120323320332 has 12 divisors (see below), whose sum is σ = 287428834387800. Its totient is φ = 72997799209536.

The previous prime is 155120323320257. The next prime is 155120323320367. The reversal of 155120323320332 is 233023323021551.

It is a super-3 number, since 3×155120323320332³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155120323320292 and 155120323320301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140590612582 + ... + 1140590612717.

It is an arithmetic number, because the mean of its divisors is an integer number (23952402865650).

Almost surely, 2^{155120323320332} is an apocalyptic number.

It is an amenable number.

155120323320332 is a deficient number, since it is larger than the sum of its proper divisors (132308511067468).

155120323320332 is a wasteful number, since it uses less digits than its factorization.

155120323320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281181225320 (or 2281181225318 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 155120323320332 its reverse (233023323021551), we get a palindrome (388143646341883).

The spelling of 155120323320332 in words is "one hundred fifty-five trillion, one hundred twenty billion, three hundred twenty-three million, three hundred twenty thousand, three hundred thirty-two".