315445244360061 has 4 divisors (see below), whose sum is σ = 420593659146752. Its totient is φ = 210296829573372.

The previous prime is 315445244359871. The next prime is 315445244360107. The reversal of 315445244360061 is 160063442544513.

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.

It is not a de Polignac number, because 315445244360061 - 2¹³ = 315445244351869 is a prime.

It is a super-2 number, since 2×315445244360061² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315445244310061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52574207393341 + ... + 52574207393346.

It is an arithmetic number, because the mean of its divisors is an integer number (105148414786688).

Almost surely, 2^{315445244360061} is an apocalyptic number.

It is an amenable number.

315445244360061 is a deficient number, since it is larger than the sum of its proper divisors (105148414786691).

315445244360061 is a wasteful number, since it uses less digits than its factorization.

315445244360061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105148414786690.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 315445244360061 in words is "three hundred fifteen trillion, four hundred forty-five billion, two hundred forty-four million, three hundred sixty thousand, sixty-one".