315551252632461 has 4 divisors (see below), whose sum is σ = 420735003509952. Its totient is φ = 210367501754972.

The previous prime is 315551252632417. The next prime is 315551252632471. The reversal of 315551252632461 is 164236252155513.

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 a cyclic number.

It is not a de Polignac number, because 315551252632461 - 2⁹ = 315551252631949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315551252632471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52591875438741 + ... + 52591875438746.

It is an arithmetic number, because the mean of its divisors is an integer number (105183750877488).

Almost surely, 2^{315551252632461} is an apocalyptic number.

It is an amenable number.

315551252632461 is a deficient number, since it is larger than the sum of its proper divisors (105183750877491).

315551252632461 is a wasteful number, since it uses less digits than its factorization.

315551252632461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105183750877490.

The product of its digits is 6480000, while the sum is 51.

The spelling of 315551252632461 in words is "three hundred fifteen trillion, five hundred fifty-one billion, two hundred fifty-two million, six hundred thirty-two thousand, four hundred sixty-one".