315615755 has 16 divisors (see below), whose sum is σ = 466140864. Its totient is φ = 199774080.

The previous prime is 315615749. The next prime is 315615757. The reversal of 315615755 is 557516513.

It is not a de Polignac number, because 315615755 - 2¹⁰ = 315614731 is a prime.

It is a super-4 number, since 4×315615755⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (315615757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346376 + ... + 347285.

It is an arithmetic number, because the mean of its divisors is an integer number (29133804).

Almost surely, 2^315615755 is an apocalyptic number.

315615755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

315615755 is a deficient number, since it is larger than the sum of its proper divisors (150525109).

315615755 is a wasteful number, since it uses less digits than its factorization.

315615755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693686.

The product of its digits is 78750, while the sum is 38.

The square root of 315615755 is about 17765.5778121625. The cubic root of 315615755 is about 680.8522726275.

The spelling of 315615755 in words is "three hundred fifteen million, six hundred fifteen thousand, seven hundred fifty-five".