1100055111001 has 32 divisors (see below), whose sum is σ = 1431549075456. Its totient is φ = 819675384000.

The previous prime is 1100055110981. The next prime is 1100055111019. The reversal of 1100055111001 is 1001115500011.

It is not a de Polignac number, because 1100055111001 - 2⁹ = 1100055110489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100055111031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6039696 + ... + 6219166.

It is an arithmetic number, because the mean of its divisors is an integer number (44735908608).

Almost surely, 2^{1100055111001} is an apocalyptic number.

1100055111001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100055111001 is a deficient number, since it is larger than the sum of its proper divisors (331493964455).

1100055111001 is a wasteful number, since it uses less digits than its factorization.

1100055111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182973.

The product of its (nonzero) digits is 25, while the sum is 16.

The spelling of 1100055111001 in words is "one trillion, one hundred billion, fifty-five million, one hundred eleven thousand, one".