1100451113155 has 16 divisors (see below), whose sum is σ = 1363171809024. Its totient is φ = 851941923840.

The previous prime is 1100451113147. The next prime is 1100451113239. The reversal of 1100451113155 is 5513111540011.

It is not a de Polignac number, because 1100451113155 - 2³ = 1100451113147 is a prime.

It is a super-2 number, since 2×1100451113155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12700459 + ... + 12786811.

It is an arithmetic number, because the mean of its divisors is an integer number (85198238064).

Almost surely, 2^{1100451113155} is an apocalyptic number.

1100451113155 is a deficient number, since it is larger than the sum of its proper divisors (262720695869).

1100451113155 is an equidigital number, since it uses as much as digits as its factorization.

1100451113155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168606.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 1100451113155 its reverse (5513111540011), we get a palindrome (6613562653166).

The spelling of 1100451113155 in words is "one trillion, one hundred billion, four hundred fifty-one million, one hundred thirteen thousand, one hundred fifty-five".