1055403634063 has 4 divisors (see below), whose sum is σ = 1056744681400. Its totient is φ = 1054062586728.

The previous prime is 1055403634049. The next prime is 1055403634067. The reversal of 1055403634063 is 3604363045501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055403634063 is a prime.

It is a super-2 number, since 2×1055403634063² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055403634067) 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, 670522488 + ... + 670524061.

It is an arithmetic number, because the mean of its divisors is an integer number (264186170350).

Almost surely, 2^{1055403634063} is an apocalyptic number.

1055403634063 is a deficient number, since it is larger than the sum of its proper divisors (1341047337).

1055403634063 is an equidigital number, since it uses as much as digits as its factorization.

1055403634063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341047336.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 1055403634063 its reverse (3604363045501), we get a palindrome (4659766679564).

The spelling of 1055403634063 in words is "one trillion, fifty-five billion, four hundred three million, six hundred thirty-four thousand, sixty-three".