1110001100556 has 12 divisors (see below), whose sum is σ = 2590002567992. Its totient is φ = 370000366848.

The previous prime is 1110001100531. The next prime is 1110001100567. The reversal of 1110001100556 is 6550011000111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46250045845 + ... + 46250045868.

Almost surely, 2^{1110001100556} is an apocalyptic number.

It is an amenable number.

1110001100556 is an abundant number, since it is smaller than the sum of its proper divisors (1480001467436).

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

1110001100556 is a wasteful number, since it uses less digits than its factorization.

1110001100556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92500091720 (or 92500091718 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 1110001100556 its reverse (6550011000111), we get a palindrome (7660012100667).

The spelling of 1110001100556 in words is "one trillion, one hundred ten billion, one million, one hundred thousand, five hundred fifty-six".