1011442023055 has 4 divisors (see below), whose sum is σ = 1213730427672. Its totient is φ = 809153618440.

The previous prime is 1011442023037. The next prime is 1011442023061. The reversal of 1011442023055 is 5503202441101.

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

It is a de Polignac number, because none of the positive numbers 2^k-1011442023055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101144202301 + ... + 101144202310.

It is an arithmetic number, because the mean of its divisors is an integer number (303432606918).

Almost surely, 2^{1011442023055} is an apocalyptic number.

1011442023055 is a deficient number, since it is larger than the sum of its proper divisors (202288404617).

1011442023055 is an equidigital number, since it uses as much as digits as its factorization.

1011442023055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202288404616.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1011442023055 its reverse (5503202441101), we get a palindrome (6514644464156).

The spelling of 1011442023055 in words is "one trillion, eleven billion, four hundred forty-two million, twenty-three thousand, fifty-five".