105533021620500 has 48 divisors (see below), whose sum is σ = 307312158963264. Its totient is φ = 28142139098400.

The previous prime is 105533021620409. The next prime is 105533021620531. The reversal of 105533021620500 is 5026120335501.

It is a happy number.

It is a super-2 number, since 2×105533021620500² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35177672374 + ... + 35177675373.

It is an arithmetic number, because the mean of its divisors is an integer number (6402336645068).

Almost surely, 2^{105533021620500} is an apocalyptic number.

105533021620500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105533021620500 is an abundant number, since it is smaller than the sum of its proper divisors (201779137342764).

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

105533021620500 is a wasteful number, since it uses less digits than its factorization.

105533021620500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70355347769 (or 70355347757 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 105533021620500 in words is "one hundred five trillion, five hundred thirty-three billion, twenty-one million, six hundred twenty thousand, five hundred".