1055686188537 has 12 divisors (see below), whose sum is σ = 1614578876820. Its totient is φ = 662391333888.

The previous prime is 1055686188533. The next prime is 1055686188553. The reversal of 1055686188537 is 7358816865501.

1055686188537 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 6 + 8 + 618 + 8 + 5 + 3 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 418226063616 + 637460124921 = 646704^2 + 798411^2 .

It is not a de Polignac number, because 1055686188537 - 2² = 1055686188533 is a prime.

It is a super-2 number, since 2×1055686188537² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055686188533) 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, 3449954712 + ... + 3449955017.

It is an arithmetic number, because the mean of its divisors is an integer number (134548239735).

Almost surely, 2^{1055686188537} is an apocalyptic number.

1055686188537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1055686188537 is a deficient number, since it is larger than the sum of its proper divisors (558892688283).

1055686188537 is a wasteful number, since it uses less digits than its factorization.

1055686188537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899909752 (or 6899909749 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 1055686188537 in words is "one trillion, fifty-five billion, six hundred eighty-six million, one hundred eighty-eight thousand, five hundred thirty-seven".