155115046001215 has 16 divisors (see below), whose sum is σ = 189699728845536. Its totient is φ = 121718813257600.

The previous prime is 155115046001183. The next prime is 155115046001243. The reversal of 155115046001215 is 512100640511551.

It is not a de Polignac number, because 155115046001215 - 2⁵ = 155115046001183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75582541 + ... + 77607670.

It is an arithmetic number, because the mean of its divisors is an integer number (11856233052846).

Almost surely, 2^{155115046001215} is an apocalyptic number.

155115046001215 is a deficient number, since it is larger than the sum of its proper divisors (34584682844321).

155115046001215 is a wasteful number, since it uses less digits than its factorization.

155115046001215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153194090.

The product of its (nonzero) digits is 30000, while the sum is 37.

Adding to 155115046001215 its reverse (512100640511551), we get a palindrome (667215686512766).

The spelling of 155115046001215 in words is "one hundred fifty-five trillion, one hundred fifteen billion, forty-six million, one thousand, two hundred fifteen".