155065165502 has 24 divisors (see below), whose sum is σ = 251891292816. Its totient is φ = 71561408256.

The previous prime is 155065165483. The next prime is 155065165511. The reversal of 155065165502 is 205561560551.

It is a happy number.

155065165502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155065165502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5016398 + ... + 5047214.

It is an arithmetic number, because the mean of its divisors is an integer number (10495470534).

Almost surely, 2^155065165502 is an apocalyptic number.

155065165502 is a deficient number, since it is larger than the sum of its proper divisors (96826127314).

155065165502 is a wasteful number, since it uses less digits than its factorization.

155065165502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45732 (or 45719 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 155065165502 in words is "one hundred fifty-five billion, sixty-five million, one hundred sixty-five thousand, five hundred two".