100203026055 has 16 divisors (see below), whose sum is σ = 174899827584. Its totient is φ = 48583285280.

The previous prime is 100203026017. The next prime is 100203026057. The reversal of 100203026055 is 550620302001.

It is not a de Polignac number, because 100203026055 - 2⁶ = 100203025991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203026057) 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, 303645369 + ... + 303645698.

It is an arithmetic number, because the mean of its divisors is an integer number (10931239224).

Almost surely, 2^100203026055 is an apocalyptic number.

100203026055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100203026055 is a deficient number, since it is larger than the sum of its proper divisors (74696801529).

100203026055 is a wasteful number, since it uses less digits than its factorization.

100203026055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607291086.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 100203026055 its reverse (550620302001), we get a palindrome (650823328056).

The spelling of 100203026055 in words is "one hundred billion, two hundred three million, twenty-six thousand, fifty-five".