315556120120355 has 8 divisors (see below), whose sum is σ = 378669748975632. Its totient is φ = 252443292875488.

The previous prime is 315556120120349. The next prime is 315556120120357. The reversal of 315556120120355 is 553021021655513.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 315556120120355 - 2⁶ = 315556120120291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315556120120357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199536224 + ... + 201111453.

It is an arithmetic number, because the mean of its divisors is an integer number (47333718621954).

Almost surely, 2^{315556120120355} is an apocalyptic number.

315556120120355 is a deficient number, since it is larger than the sum of its proper divisors (63113628855277).

315556120120355 is a wasteful number, since it uses less digits than its factorization.

315556120120355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400805205.

The product of its (nonzero) digits is 675000, while the sum is 44.

Adding to 315556120120355 its reverse (553021021655513), we get a palindrome (868577141775868).

The spelling of 315556120120355 in words is "three hundred fifteen trillion, five hundred fifty-six billion, one hundred twenty million, one hundred twenty thousand, three hundred fifty-five".