1355128407064 has 8 divisors (see below), whose sum is σ = 2540865763260. Its totient is φ = 677564203528.

The previous prime is 1355128407043. The next prime is 1355128407089. The reversal of 1355128407064 is 4607048215531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84695525434 + ... + 84695525449.

Almost surely, 2^{1355128407064} is an apocalyptic number.

It is an amenable number.

1355128407064 is a deficient number, since it is larger than the sum of its proper divisors (1185737356196).

1355128407064 is a wasteful number, since it uses less digits than its factorization.

1355128407064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169391050889 (or 169391050885 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1355128407064 in words is "one trillion, three hundred fifty-five billion, one hundred twenty-eight million, four hundred seven thousand, sixty-four".