100450032011055 has 128 divisors (see below), whose sum is σ = 191534226739200. Its totient is φ = 49768549189632.

The previous prime is 100450032011051. The next prime is 100450032011117. The reversal of 100450032011055 is 550110230054001.

100450032011055 is a `hidden beast` number, since 1 + 0 + 0 + 450 + 0 + 3 + 201 + 1 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 100450032011055 - 2² = 100450032011051 is a prime.

It is a super-3 number, since 3×100450032011055³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100450032011051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 606745069 + ... + 606910601.

It is an arithmetic number, because the mean of its divisors is an integer number (1496361146400).

Almost surely, 2^{100450032011055} is an apocalyptic number.

100450032011055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100450032011055 is a deficient number, since it is larger than the sum of its proper divisors (91084194728145).

100450032011055 is a wasteful number, since it uses less digits than its factorization.

100450032011055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168990 (or 168984 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 100450032011055 its reverse (550110230054001), we get a palindrome (650560262065056).

The spelling of 100450032011055 in words is "one hundred trillion, four hundred fifty billion, thirty-two million, eleven thousand, fifty-five".