1121105455546 has 16 divisors (see below), whose sum is σ = 1780863259176. Its totient is φ = 527494887936.

The previous prime is 1121105455487. The next prime is 1121105455573. The reversal of 1121105455546 is 6455545011211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1117492123225 + 3613332321 = 1057115^2 + 60111^2 .

It is a super-3 number, since 3×1121105455546³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121105455499 and 1121105455508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413131 + ... + 2839966.

Almost surely, 2^{1121105455546} is an apocalyptic number.

1121105455546 is a deficient number, since it is larger than the sum of its proper divisors (659757803630).

1121105455546 is a wasteful number, since it uses less digits than its factorization.

1121105455546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259393.

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 1121105455546 in words is "one trillion, one hundred twenty-one billion, one hundred five million, four hundred fifty-five thousand, five hundred forty-six".