1055000111100 has 72 divisors (see below), whose sum is σ = 3287272153200. Its totient is φ = 259692334080.

The previous prime is 1055000111083. The next prime is 1055000111131. The reversal of 1055000111100 is 11110005501.

It is a super-2 number, since 2×1055000111100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1055000111100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135252525 + ... + 135260324.

Almost surely, 2^{1055000111100} is an apocalyptic number.

1055000111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055000111100 is an abundant number, since it is smaller than the sum of its proper divisors (2232272042100).

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

1055000111100 is a wasteful number, since it uses less digits than its factorization.

1055000111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270512879 (or 270512872 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 1055000111100 its reverse (11110005501), we get a palindrome (1066110116601).

The spelling of 1055000111100 in words is "one trillion, fifty-five billion, one hundred eleven thousand, one hundred".