1055117564 has 12 divisors (see below), whose sum is σ = 1847540688. Its totient is φ = 527248800.

The previous prime is 1055117561. The next prime is 1055117573. The reversal of 1055117564 is 4657115501.

It is a super-2 number, since 2×1055117564² = 2226546147722588192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055117561) by changing a digit.

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, 69752 + ... + 83519.

It is an arithmetic number, because the mean of its divisors is an integer number (153961724).

Almost surely, 2^1055117564 is an apocalyptic number.

It is an amenable number.

1055117564 is a deficient number, since it is larger than the sum of its proper divisors (792423124).

1055117564 is a wasteful number, since it uses less digits than its factorization.

1055117564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154996 (or 154994 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 1055117564 is about 32482.5732355058. The cubic root of 1055117564 is about 1018.0449427757.

The spelling of 1055117564 in words is "one billion, fifty-five million, one hundred seventeen thousand, five hundred sixty-four".