1055811694 has 8 divisors (see below), whose sum is σ = 1809962928. Its totient is φ = 452490720.

The previous prime is 1055811689. The next prime is 1055811719. The reversal of 1055811694 is 4961185501.

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

It is a super-2 number, since 2×1055811694² = 2229476666374299272, which 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 in 3 ways as a sum of consecutive naturals, for example, 37707547 + ... + 37707574.

It is an arithmetic number, because the mean of its divisors is an integer number (226245366).

Almost surely, 2^1055811694 is an apocalyptic number.

1055811694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1055811694 is a deficient number, since it is larger than the sum of its proper divisors (754151234).

1055811694 is an equidigital number, since it uses as much as digits as its factorization.

1055811694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75415130.

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 1055811694 is about 32493.2561310805. The cubic root of 1055811694 is about 1018.2681408516.

The spelling of 1055811694 in words is "one billion, fifty-five million, eight hundred eleven thousand, six hundred ninety-four".