100555051105380 has 48 divisors (see below), whose sum is σ = 290636534813184. Its totient is φ = 25949690607360.

The previous prime is 100555051105279. The next prime is 100555051105381. The reversal of 100555051105380 is 83501150555001.

It is a super-2 number, since 2×100555051105380² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100555051105381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27030925857 + ... + 27030929576.

It is an arithmetic number, because the mean of its divisors is an integer number (6054927808608).

Almost surely, 2^{100555051105380} is an apocalyptic number.

100555051105380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100555051105380 is an abundant number, since it is smaller than the sum of its proper divisors (190081483707804).

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

100555051105380 is a wasteful number, since it uses less digits than its factorization.

100555051105380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54061855476 (or 54061855474 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 39.

The spelling of 100555051105380 in words is "one hundred trillion, five hundred fifty-five billion, fifty-one million, one hundred five thousand, three hundred eighty".