1055505051166 has 4 divisors (see below), whose sum is σ = 1583257576752. Its totient is φ = 527752525582.

The previous prime is 1055505051137. The next prime is 1055505051173. The reversal of 1055505051166 is 6611505055501.

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

It is a super-2 number, since 2×1055505051166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263876262790 + ... + 263876262793.

It is an arithmetic number, because the mean of its divisors is an integer number (395814394188).

Almost surely, 2^{1055505051166} is an apocalyptic number.

1055505051166 is a deficient number, since it is larger than the sum of its proper divisors (527752525586).

1055505051166 is an equidigital number, since it uses as much as digits as its factorization.

1055505051166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527752525585.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 1055505051166 in words is "one trillion, fifty-five billion, five hundred five million, fifty-one thousand, one hundred sixty-six".