1055463486021 has 48 divisors (see below), whose sum is σ = 1898331012480. Its totient is φ = 567644198400.

The previous prime is 1055463486019. The next prime is 1055463486023. The reversal of 1055463486021 is 1206843645501.

1055463486021 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 4 + 6 + 34 + 8 + 602 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1055463486019) and next prime (1055463486023).

It is not a de Polignac number, because 1055463486021 - 2¹ = 1055463486019 is a prime.

It is a super-2 number, since 2×1055463486021² (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 (1055463486023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9607080 + ... + 9716321.

It is an arithmetic number, because the mean of its divisors is an integer number (39548562760).

Almost surely, 2^{1055463486021} is an apocalyptic number.

It is an amenable number.

1055463486021 is a deficient number, since it is larger than the sum of its proper divisors (842867526459).

1055463486021 is a wasteful number, since it uses less digits than its factorization.

1055463486021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19323451 (or 19323428 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 1055463486021 in words is "one trillion, fifty-five billion, four hundred sixty-three million, four hundred eighty-six thousand, twenty-one".