1356116505426 has 16 divisors (see below), whose sum is σ = 3013592234400. Its totient is φ = 452038835124.

The previous prime is 1356116505409. The next prime is 1356116505559. The reversal of 1356116505426 is 6245056116531.

1356116505426 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 116 + 505 + 4 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12556634256 + ... + 12556634363.

It is an arithmetic number, because the mean of its divisors is an integer number (188349514650).

Almost surely, 2^{1356116505426} is an apocalyptic number.

1356116505426 is an abundant number, since it is smaller than the sum of its proper divisors (1657475728974).

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

1356116505426 is a wasteful number, since it uses less digits than its factorization.

1356116505426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25113268630 (or 25113268624 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1356116505426 in words is "one trillion, three hundred fifty-six billion, one hundred sixteen million, five hundred five thousand, four hundred twenty-six".