1055633666511 has 8 divisors (see below), whose sum is σ = 1409013705904. Its totient is φ = 703004702400.

The previous prime is 1055633666491. The next prime is 1055633666513. The reversal of 1055633666511 is 1156663365501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055633666511 - 2²⁵ = 1055600112079 is a prime.

It is a super-2 number, since 2×1055633666511² (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 (1055633666513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187765540 + ... + 187771161.

It is an arithmetic number, because the mean of its divisors is an integer number (176126713238).

Almost surely, 2^{1055633666511} is an apocalyptic number.

1055633666511 is a deficient number, since it is larger than the sum of its proper divisors (353380039393).

1055633666511 is an equidigital number, since it uses as much as digits as its factorization.

1055633666511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375537641.

The product of its (nonzero) digits is 1458000, while the sum is 48.

The spelling of 1055633666511 in words is "one trillion, fifty-five billion, six hundred thirty-three million, six hundred sixty-six thousand, five hundred eleven".