1040555463553 has 4 divisors (see below), whose sum is σ = 1046304388948. Its totient is φ = 1034806538160.

The previous prime is 1040555463533. The next prime is 1040555463557. The reversal of 1040555463553 is 3553645550401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100367308864 + 940188154689 = 316808^2 + 969633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040555463553 - 2⁹ = 1040555463041 is a prime.

It is a super-2 number, since 2×1040555463553² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040555463557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874462426 + ... + 2874462787.

It is an arithmetic number, because the mean of its divisors is an integer number (261576097237).

Almost surely, 2^{1040555463553} is an apocalyptic number.

It is an amenable number.

1040555463553 is a deficient number, since it is larger than the sum of its proper divisors (5748925395).

1040555463553 is an equidigital number, since it uses as much as digits as its factorization.

1040555463553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748925394.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 1040555463553 in words is "one trillion, forty billion, five hundred fifty-five million, four hundred sixty-three thousand, five hundred fifty-three".