1055831077605 has 32 divisors (see below), whose sum is σ = 1696026968064. Its totient is φ = 560878189376.

The previous prime is 1055831077579. The next prime is 1055831077607. The reversal of 1055831077605 is 5067701385501.

It is a cyclic number.

It is not a de Polignac number, because 1055831077605 - 2⁸ = 1055831077349 is a prime.

It is a super-2 number, since 2×1055831077605² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055831077607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29518342 + ... + 29554088.

It is an arithmetic number, because the mean of its divisors is an integer number (53000842752).

Almost surely, 2^{1055831077605} is an apocalyptic number.

1055831077605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055831077605 is a deficient number, since it is larger than the sum of its proper divisors (640195890459).

1055831077605 is a wasteful number, since it uses less digits than its factorization.

1055831077605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43505.

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 1055831077605 in words is "one trillion, fifty-five billion, eight hundred thirty-one million, seventy-seven thousand, six hundred five".