1100061101155 has 16 divisors (see below), whose sum is σ = 1327386912768. Its totient is φ = 875175948000.

The previous prime is 1100061101137. The next prime is 1100061101189. The reversal of 1100061101155 is 5511011600011.

It is not a de Polignac number, because 1100061101155 - 2¹¹ = 1100061099107 is a prime.

It is a super-2 number, since 2×1100061101155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3008200 + ... + 3354010.

It is an arithmetic number, because the mean of its divisors is an integer number (82961682048).

Almost surely, 2^{1100061101155} is an apocalyptic number.

1100061101155 is a deficient number, since it is larger than the sum of its proper divisors (227325811613).

1100061101155 is a wasteful number, since it uses less digits than its factorization.

1100061101155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349338.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 1100061101155 its reverse (5511011600011), we get a palindrome (6611072701166).

It can be divided in two parts, 1100061 and 101155, that added together give a square (1201216 = 1096²).

The spelling of 1100061101155 in words is "one trillion, one hundred billion, sixty-one million, one hundred one thousand, one hundred fifty-five".