1055764567655 has 16 divisors (see below), whose sum is σ = 1448864008704. Its totient is φ = 723473688480.

The previous prime is 1055764567639. The next prime is 1055764567661. The reversal of 1055764567655 is 5567654675501.

It is not a de Polignac number, because 1055764567655 - 2⁴ = 1055764567639 is a prime.

It is a super-2 number, since 2×1055764567655² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9928817 + ... + 10034586.

It is an arithmetic number, because the mean of its divisors is an integer number (90554000544).

Almost surely, 2^{1055764567655} is an apocalyptic number.

1055764567655 is a deficient number, since it is larger than the sum of its proper divisors (393099441049).

1055764567655 is a wasteful number, since it uses less digits than its factorization.

1055764567655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19964926.

The product of its (nonzero) digits is 132300000, while the sum is 62.

The spelling of 1055764567655 in words is "one trillion, fifty-five billion, seven hundred sixty-four million, five hundred sixty-seven thousand, six hundred fifty-five".