315705557377 has 4 divisors (see below), whose sum is σ = 360806351296. Its totient is φ = 270604763460.

The previous prime is 315705557369. The next prime is 315705557381. The reversal of 315705557377 is 773755507513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773755507513 = 29 ⋅26681224397.

It is a cyclic number.

It is not a de Polignac number, because 315705557377 - 2³ = 315705557369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315705557077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22550396949 + ... + 22550396962.

It is an arithmetic number, because the mean of its divisors is an integer number (90201587824).

Almost surely, 2^315705557377 is an apocalyptic number.

It is an amenable number.

315705557377 is a deficient number, since it is larger than the sum of its proper divisors (45100793919).

315705557377 is an equidigital number, since it uses as much as digits as its factorization.

315705557377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45100793918.

The product of its (nonzero) digits is 13505625, while the sum is 55.

The spelling of 315705557377 in words is "three hundred fifteen billion, seven hundred five million, five hundred fifty-seven thousand, three hundred seventy-seven".