100231153155 has 96 divisors (see below), whose sum is σ = 206989406208. Its totient is φ = 43902432000.

The previous prime is 100231153153. The next prime is 100231153201. The reversal of 100231153155 is 551351132001.

100231153155 is a `hidden beast` number, since 100 + 23 + 1 + 1 + 531 + 5 + 5 = 666.

It is not a de Polignac number, because 100231153155 - 2¹ = 100231153153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100231153153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 935452 + ... + 1037078.

It is an arithmetic number, because the mean of its divisors is an integer number (2156139648).

Almost surely, 2^100231153155 is an apocalyptic number.

100231153155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100231153155 is an abundant number, since it is smaller than the sum of its proper divisors (106758253053).

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

100231153155 is a wasteful number, since it uses less digits than its factorization.

100231153155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101777 (or 101774 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

Adding to 100231153155 its reverse (551351132001), we get a palindrome (651582285156).

The spelling of 100231153155 in words is "one hundred billion, two hundred thirty-one million, one hundred fifty-three thousand, one hundred fifty-five".