101000661566055 has 8 divisors (see below), whose sum is σ = 161601058505712. Its totient is φ = 53867019501888.

The previous prime is 101000661566053. The next prime is 101000661566117. The reversal of 101000661566055 is 550665166000101.

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

It is not a de Polignac number, because 101000661566055 - 2¹ = 101000661566053 is a prime.

It is a super-2 number, since 2×101000661566055² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101000661565998 and 101000661566016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000661566053) 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, 3366688718854 + ... + 3366688718883.

It is an arithmetic number, because the mean of its divisors is an integer number (20200132313214).

Almost surely, 2^{101000661566055} is an apocalyptic number.

101000661566055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101000661566055 is a deficient number, since it is larger than the sum of its proper divisors (60600396939657).

101000661566055 is an equidigital number, since it uses as much as digits as its factorization.

101000661566055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733377437745.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 101000661566055 in words is "one hundred one trillion, six hundred sixty-one million, five hundred sixty-six thousand, fifty-five".