155115276513 has 8 divisors (see below), whose sum is σ = 206822188608. Its totient is φ = 103409274384.

The previous prime is 155115276431. The next prime is 155115276523. The reversal of 155115276513 is 315672511551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155115276513 - 2²⁰ = 155114227937 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155115276523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544831 + ... + 779147.

It is an arithmetic number, because the mean of its divisors is an integer number (25852773576).

Almost surely, 2^155115276513 is an apocalyptic number.

It is an amenable number.

155115276513 is a deficient number, since it is larger than the sum of its proper divisors (51706912095).

155115276513 is a wasteful number, since it uses less digits than its factorization.

155115276513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454983.

The product of its digits is 157500, while the sum is 42.

The spelling of 155115276513 in words is "one hundred fifty-five billion, one hundred fifteen million, two hundred seventy-six thousand, five hundred thirteen".