103556443554 has 12 divisors (see below), whose sum is σ = 224372294406. Its totient is φ = 34518814512.

The previous prime is 103556443531. The next prime is 103556443559. The reversal of 103556443554 is 455344655301.

It is a happy number.

103556443554 is a `hidden beast` number, since 1 + 0 + 3 + 5 + 56 + 4 + 43 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 102673462329 + 882981225 = 320427^2 + 29715^2 .

It is a super-3 number, since 3×103556443554³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103556443559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2876567859 + ... + 2876567894.

Almost surely, 2^103556443554 is an apocalyptic number.

103556443554 is an abundant number, since it is smaller than the sum of its proper divisors (120815850852).

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

103556443554 is a wasteful number, since it uses less digits than its factorization.

103556443554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753135761 (or 5753135758 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 103556443554 in words is "one hundred three billion, five hundred fifty-six million, four hundred forty-three thousand, five hundred fifty-four".