12355654059 has 28 divisors (see below), whose sum is σ = 21171444976. Its totient is φ = 7060370832.

The previous prime is 12355654021. The next prime is 12355654061. The reversal of 12355654059 is 95045655321.

12355654059 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 56 + 540 + 59 = 666.

It is not a de Polignac number, because 12355654059 - 2³¹ = 10208170411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12355654559) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1205524 + ... + 1215729.

Almost surely, 2^12355654059 is an apocalyptic number.

12355654059 is a deficient number, since it is larger than the sum of its proper divisors (8815790917).

12355654059 is an frugal number, since it uses more digits than its factorization.

12355654059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421278 (or 2421263 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 12355654059 in words is "twelve billion, three hundred fifty-five million, six hundred fifty-four thousand, fifty-nine".