101010511005500 has 96 divisors (see below), whose sum is σ = 235015655696640. Its totient is φ = 37816490318400.

The previous prime is 101010511005473. The next prime is 101010511005517. The reversal of 101010511005500 is 5500115010101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63263822 + ... + 64840821.

It is an arithmetic number, because the mean of its divisors is an integer number (2448079746840).

Almost surely, 2^{101010511005500} is an apocalyptic number.

101010511005500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101010511005500 is an abundant number, since it is smaller than the sum of its proper divisors (134005144691140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101010511005500 is a wasteful number, since it uses less digits than its factorization.

101010511005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128104764 (or 128104752 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 101010511005500 its reverse (5500115010101), we get a palindrome (106510626015601).

The spelling of 101010511005500 in words is "one hundred one trillion, ten billion, five hundred eleven million, five thousand, five hundred".