1055812485 has 64 divisors (see below), whose sum is σ = 2105671680. Its totient is φ = 439845120.

The previous prime is 1055812423. The next prime is 1055812507. The reversal of 1055812485 is 5842185501.

It is not a de Polignac number, because 1055812485 - 2²⁶ = 988703621 is a prime.

It is a super-2 number, since 2×1055812485² = 2229480006963750450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

Together with 1049859195 it forms an amicable pair .

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 63 ways as a sum of consecutive naturals, for example, 102940 + ... + 112730.

It is an arithmetic number, because the mean of its divisors is an integer number (32901120).

Almost surely, 2^1055812485 is an apocalyptic number.

1055812485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055812485 is a deficient number, since it is larger than the sum of its proper divisors (1049859195).

1055812485 is a wasteful number, since it uses less digits than its factorization.

1055812485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9898.

The product of its (nonzero) digits is 64000, while the sum is 39.

The square root of 1055812485 is about 32493.2683028347. The cubic root of 1055812485 is about 1018.2683951425.

Adding to 1055812485 its reverse (5842185501), we get a palindrome (6897997986).

The spelling of 1055812485 in words is "one billion, fifty-five million, eight hundred twelve thousand, four hundred eighty-five".