1055205006671 has 4 divisors (see below), whose sum is σ = 1055363143872. Its totient is φ = 1055046869472.

The previous prime is 1055205006643. The next prime is 1055205006683. The reversal of 1055205006671 is 1766005025501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055205006671 - 2³⁰ = 1054131264847 is a prime.

It is a super-2 number, since 2×1055205006671² (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 (1055205006601) 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, 79058591 + ... + 79071936.

It is an arithmetic number, because the mean of its divisors is an integer number (263840785968).

Almost surely, 2^{1055205006671} is an apocalyptic number.

1055205006671 is a deficient number, since it is larger than the sum of its proper divisors (158137201).

1055205006671 is an equidigital number, since it uses as much as digits as its factorization.

1055205006671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158137200.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 1055205006671 in words is "one trillion, fifty-five billion, two hundred five million, six thousand, six hundred seventy-one".