155468814215 has 32 divisors (see below), whose sum is σ = 219230226432. Its totient is φ = 104346000000.

The previous prime is 155468814143. The next prime is 155468814227. The reversal of 155468814215 is 512418864551.

155468814215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-155468814215 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 3302090 + ... + 3348840.

It is an arithmetic number, because the mean of its divisors is an integer number (6850944576).

Almost surely, 2^155468814215 is an apocalyptic number.

155468814215 is a deficient number, since it is larger than the sum of its proper divisors (63761412217).

155468814215 is a wasteful number, since it uses less digits than its factorization.

155468814215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51431.

The product of its digits is 1536000, while the sum is 50.

The spelling of 155468814215 in words is "one hundred fifty-five billion, four hundred sixty-eight million, eight hundred fourteen thousand, two hundred fifteen".