101055561055 has 16 divisors (see below), whose sum is σ = 121461016320. Its totient is φ = 80714976768.

The previous prime is 101055561007. The next prime is 101055561059. The reversal of 101055561055 is 550165550101.

It is a cyclic number.

It is not a de Polignac number, because 101055561055 - 2³¹ = 98908077407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101055561055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055561059) by changing a digit.

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, 14292061 + ... + 14299129.

It is an arithmetic number, because the mean of its divisors is an integer number (7591313520).

Almost surely, 2^101055561055 is an apocalyptic number.

101055561055 is a deficient number, since it is larger than the sum of its proper divisors (20405455265).

101055561055 is an equidigital number, since it uses as much as digits as its factorization.

101055561055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 101055561055 in words is "one hundred one billion, fifty-five million, five hundred sixty-one thousand, fifty-five".