315554535272 has 8 divisors (see below), whose sum is σ = 591664753650. Its totient is φ = 157777267632.

The previous prime is 315554535221. The next prime is 315554535299. The reversal of 315554535272 is 272535455513.

It can be written as a sum of positive squares in only one way, i.e., 297869259076 + 17685276196 = 545774^2 + 132986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×315554535272² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19722158447 + ... + 19722158462.

Almost surely, 2^315554535272 is an apocalyptic number.

It is an amenable number.

315554535272 is a deficient number, since it is larger than the sum of its proper divisors (276110218378).

315554535272 is a wasteful number, since it uses less digits than its factorization.

315554535272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39444316915 (or 39444316911 counting only the distinct ones).

The product of its digits is 3150000, while the sum is 47.

The spelling of 315554535272 in words is "three hundred fifteen billion, five hundred fifty-four million, five hundred thirty-five thousand, two hundred seventy-two".