1001061010055 has 4 divisors (see below), whose sum is σ = 1201273212072. Its totient is φ = 800848808040.

The previous prime is 1001061010051. The next prime is 1001061010067. The reversal of 1001061010055 is 5500101601001.

1001061010055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1001061010055 - 2² = 1001061010051 is a prime.

It is a super-2 number, since 2×1001061010055² (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 (1001061010051) 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, 100106101001 + ... + 100106101010.

It is an arithmetic number, because the mean of its divisors is an integer number (300318303018).

Almost surely, 2^{1001061010055} is an apocalyptic number.

1001061010055 is a deficient number, since it is larger than the sum of its proper divisors (200212202017).

1001061010055 is an equidigital number, since it uses as much as digits as its factorization.

1001061010055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200212202016.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 1001061010055 its reverse (5500101601001), we get a palindrome (6501162611056).

The spelling of 1001061010055 in words is "one trillion, one billion, sixty-one million, ten thousand, fifty-five".