1109556423396 has 48 divisors (see below), whose sum is σ = 2975821833600. Its totient is φ = 357098618016.

The previous prime is 1109556423373. The next prime is 1109556423403. The reversal of 1109556423396 is 6933246559011.

1109556423396 is a `hidden beast` number, since 1 + 10 + 9 + 556 + 42 + 3 + 39 + 6 = 666.

It is a super-2 number, since 2×1109556423396² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177129120 + ... + 177135383.

It is an arithmetic number, because the mean of its divisors is an integer number (61996288200).

Almost surely, 2^{1109556423396} is an apocalyptic number.

It is an amenable number.

1109556423396 is an abundant number, since it is smaller than the sum of its proper divisors (1866265410204).

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

1109556423396 is a wasteful number, since it uses less digits than its factorization.

1109556423396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354264545 (or 354264537 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 1109556423396 in words is "one trillion, one hundred nine billion, five hundred fifty-six million, four hundred twenty-three thousand, three hundred ninety-six".