101055556061 has 4 divisors (see below), whose sum is σ = 102478873824. Its totient is φ = 99632238300.

The previous prime is 101055556051. The next prime is 101055556081. The reversal of 101055556061 is 160655550101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160655550101 = 521 ⋅308359981.

It is a cyclic number.

It is not a de Polignac number, because 101055556061 - 2³⁰ = 99981814237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055556001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711658775 + ... + 711658916.

It is an arithmetic number, because the mean of its divisors is an integer number (25619718456).

Almost surely, 2^101055556061 is an apocalyptic number.

It is an amenable number.

101055556061 is a deficient number, since it is larger than the sum of its proper divisors (1423317763).

101055556061 is an equidigital number, since it uses as much as digits as its factorization.

101055556061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423317762.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 101055556061 in words is "one hundred one billion, fifty-five million, five hundred fifty-six thousand, sixty-one".