1055365643187 has 12 divisors (see below), whose sum is σ = 1524425968624. Its totient is φ = 703572974640.

The previous prime is 1055365643183. The next prime is 1055365643207. The reversal of 1055365643187 is 7813465635501.

1055365643187 is a `hidden beast` number, since 1 + 0 + 5 + 536 + 56 + 43 + 18 + 7 = 666.

It is not a de Polignac number, because 1055365643187 - 2² = 1055365643183 is a prime.

It is a super-2 number, since 2×1055365643187² (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 (1055365643183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674473 + ... + 3043605.

Almost surely, 2^{1055365643187} is an apocalyptic number.

1055365643187 is a deficient number, since it is larger than the sum of its proper divisors (469060325437).

1055365643187 is a wasteful number, since it uses less digits than its factorization.

1055365643187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686810 (or 686807 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 1055365643187 in words is "one trillion, fifty-five billion, three hundred sixty-five million, six hundred forty-three thousand, one hundred eighty-seven".