1055287500663 has 24 divisors (see below), whose sum is σ = 1547585020800. Its totient is φ = 639157596880.

The previous prime is 1055287500643. The next prime is 1055287500677. The reversal of 1055287500663 is 3660057825501.

It is not a de Polignac number, because 1055287500663 - 2²⁸ = 1055019065207 is a prime.

It is a super-2 number, since 2×1055287500663² (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 (1055287500613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366453 + ... + 1498286.

It is an arithmetic number, because the mean of its divisors is an integer number (64482709200).

Almost surely, 2^{1055287500663} is an apocalyptic number.

1055287500663 is a deficient number, since it is larger than the sum of its proper divisors (492297520137).

1055287500663 is a wasteful number, since it uses less digits than its factorization.

1055287500663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866323 (or 1866312 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 1055287500663 in words is "one trillion, fifty-five billion, two hundred eighty-seven million, five hundred thousand, six hundred sixty-three".