101565555152 has 10 divisors (see below), whose sum is σ = 196783263138. Its totient is φ = 50782777568.

The previous prime is 101565555107. The next prime is 101565555193. The reversal of 101565555152 is 251555565101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97129462336 + 4436092816 = 311656^2 + 66604^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3173923583 + ... + 3173923614.

Almost surely, 2^101565555152 is an apocalyptic number.

It is an amenable number.

101565555152 is a deficient number, since it is larger than the sum of its proper divisors (95217707986).

101565555152 is an equidigital number, since it uses as much as digits as its factorization.

101565555152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347847205 (or 6347847199 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 41.

The spelling of 101565555152 in words is "one hundred one billion, five hundred sixty-five million, five hundred fifty-five thousand, one hundred fifty-two".