1655220235101 has 16 divisors (see below), whose sum is σ = 2324024856000. Its totient is φ = 1044993322368.

The previous prime is 1655220235087. The next prime is 1655220235103. The reversal of 1655220235101 is 1015320225561.

It is not a de Polignac number, because 1655220235101 - 2¹¹ = 1655220233053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655220235103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5532576 + ... + 5824073.

It is an arithmetic number, because the mean of its divisors is an integer number (145251553500).

Almost surely, 2^{1655220235101} is an apocalyptic number.

It is an amenable number.

1655220235101 is a deficient number, since it is larger than the sum of its proper divisors (668804620899).

1655220235101 is a wasteful number, since it uses less digits than its factorization.

1655220235101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359228.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1655220235101 in words is "one trillion, six hundred fifty-five billion, two hundred twenty million, two hundred thirty-five thousand, one hundred one".