155382048819215 has 4 divisors (see below), whose sum is σ = 186458458583064. Its totient is φ = 124305639055368.

The previous prime is 155382048819191. The next prime is 155382048819241. The reversal of 155382048819215 is 512918840283551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155382048819215 - 2⁸ = 155382048818959 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 3 ways as a sum of consecutive naturals, for example, 15538204881917 + ... + 15538204881926.

It is an arithmetic number, because the mean of its divisors is an integer number (46614614645766).

Almost surely, 2^{155382048819215} is an apocalyptic number.

155382048819215 is a deficient number, since it is larger than the sum of its proper divisors (31076409763849).

155382048819215 is an equidigital number, since it uses as much as digits as its factorization.

155382048819215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076409763848.

The product of its (nonzero) digits is 27648000, while the sum is 62.

The spelling of 155382048819215 in words is "one hundred fifty-five trillion, three hundred eighty-two billion, forty-eight million, eight hundred nineteen thousand, two hundred fifteen".