13115067430644 has 72 divisors (see below), whose sum is σ = 36189291596640. Its totient is φ = 4141600235424.

The previous prime is 13115067430637. The next prime is 13115067430669. The reversal of 13115067430644 is 44603476051131.

13115067430644 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 506 + 74 + 30 + 6 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13115067430644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355056999 + ... + 355093934.

Almost surely, 2^{13115067430644} is an apocalyptic number.

It is an amenable number.

13115067430644 is an abundant number, since it is smaller than the sum of its proper divisors (23074224165996).

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

13115067430644 is a wasteful number, since it uses less digits than its factorization.

13115067430644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710150971 (or 710150957 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 13115067430644 in words is "thirteen trillion, one hundred fifteen billion, sixty-seven million, four hundred thirty thousand, six hundred forty-four".