315511445155640 has 16 divisors (see below), whose sum is σ = 709900751600280. Its totient is φ = 126204578062240.

The previous prime is 315511445155591. The next prime is 315511445155663. The reversal of 315511445155640 is 46551544115513.

It is a congruent number.

It is an unprimeable number.

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, 3943893064406 + ... + 3943893064485.

Almost surely, 2^{315511445155640} is an apocalyptic number.

It is an amenable number.

315511445155640 is an abundant number, since it is smaller than the sum of its proper divisors (394389306444640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315511445155640 is a wasteful number, since it uses less digits than its factorization.

315511445155640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887786128902 (or 7887786128898 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 315511445155640 in words is "three hundred fifteen trillion, five hundred eleven billion, four hundred forty-five million, one hundred fifty-five thousand, six hundred forty".