1056655501655 has 8 divisors (see below), whose sum is σ = 1365524032992. Its totient is φ = 780299447328.

The previous prime is 1056655501631. The next prime is 1056655501669. The reversal of 1056655501655 is 5561055566501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056655501655 - 2⁶ = 1056655501591 is a prime.

It is a super-3 number, since 3×1056655501655³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8128119179 + ... + 8128119308.

It is an arithmetic number, because the mean of its divisors is an integer number (170690504124).

Almost surely, 2^{1056655501655} is an apocalyptic number.

1056655501655 is a deficient number, since it is larger than the sum of its proper divisors (308868531337).

1056655501655 is a wasteful number, since it uses less digits than its factorization.

1056655501655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16256238505.

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 1056655501655 in words is "one trillion, fifty-six billion, six hundred fifty-five million, five hundred one thousand, six hundred fifty-five".