1105556056001 has 4 divisors (see below), whose sum is σ = 1105744113600. Its totient is φ = 1105367998404.

The previous prime is 1105556055953. The next prime is 1105556056027. The reversal of 1105556056001 is 1006506555011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105556056001 - 2¹⁸ = 1105555793857 is a prime.

It is a super-2 number, since 2×1105556056001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1105556056061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94019981 + ... + 94031738.

It is an arithmetic number, because the mean of its divisors is an integer number (276436028400).

Almost surely, 2^{1105556056001} is an apocalyptic number.

It is an amenable number.

1105556056001 is a deficient number, since it is larger than the sum of its proper divisors (188057599).

1105556056001 is an equidigital number, since it uses as much as digits as its factorization.

1105556056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188057598.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1105556056001 in words is "one trillion, one hundred five billion, five hundred fifty-six million, fifty-six thousand, one".