155120516 has 24 divisors (see below), whose sum is σ = 277865280. Its totient is φ = 75751200.

The previous prime is 155120509. The next prime is 155120519. The reversal of 155120516 is 615021551.

It is not an unprimeable number, because it can be changed into a prime (155120519) 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, 28451 + ... + 33461.

It is an arithmetic number, because the mean of its divisors is an integer number (11577720).

Almost surely, 2^155120516 is an apocalyptic number.

It is an amenable number.

155120516 is a deficient number, since it is larger than the sum of its proper divisors (122744764).

155120516 is a wasteful number, since it uses less digits than its factorization.

155120516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 155120516 is about 12454.7386965765. The cubic root of 155120516 is about 537.3077196498.

The spelling of 155120516 in words is "one hundred fifty-five million, one hundred twenty thousand, five hundred sixteen".