1055161005655 has 8 divisors (see below), whose sum is σ = 1266321151584. Its totient is φ = 844043508000.

The previous prime is 1055161005653. The next prime is 1055161005659. The reversal of 1055161005655 is 5565001615501.

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

It is not a de Polignac number, because 1055161005655 - 2¹ = 1055161005653 is a prime.

It is a super-2 number, since 2×1055161005655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055161005653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607611 + ... + 10706620.

It is an arithmetic number, because the mean of its divisors is an integer number (158290143948).

Almost surely, 2^{1055161005655} is an apocalyptic number.

1055161005655 is a deficient number, since it is larger than the sum of its proper divisors (211160145929).

1055161005655 is an equidigital number, since it uses as much as digits as its factorization.

1055161005655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21324137.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 1055161005655 in words is "one trillion, fifty-five billion, one hundred sixty-one million, five thousand, six hundred fifty-five".