1100555511101 has 16 divisors (see below), whose sum is σ = 1134478329600. Its totient is φ = 1067168314368.

The previous prime is 1100555511071. The next prime is 1100555511113. The reversal of 1100555511101 is 1011155550011.

It is a cyclic number.

It is not a de Polignac number, because 1100555511101 - 2¹⁸ = 1100555248957 is a prime.

It is a super-2 number, since 2×1100555511101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100555511151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4700525 + ... + 4929101.

It is an arithmetic number, because the mean of its divisors is an integer number (70904895600).

Almost surely, 2^{1100555511101} is an apocalyptic number.

It is an amenable number.

1100555511101 is a deficient number, since it is larger than the sum of its proper divisors (33922818499).

1100555511101 is a wasteful number, since it uses less digits than its factorization.

1100555511101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229748.

The product of its (nonzero) digits is 625, while the sum is 26.

The spelling of 1100555511101 in words is "one trillion, one hundred billion, five hundred fifty-five million, five hundred eleven thousand, one hundred one".