100155133452 has 48 divisors (see below), whose sum is σ = 255352406400. Its totient is φ = 30300984960.

The previous prime is 100155133433. The next prime is 100155133459. The reversal of 100155133452 is 254331551001.

It is not an unprimeable number, because it can be changed into a prime (100155133459) 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 15 ways as a sum of consecutive naturals, for example, 531177 + ... + 694592.

It is an arithmetic number, because the mean of its divisors is an integer number (5319841800).

Almost surely, 2^100155133452 is an apocalyptic number.

100155133452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100155133452 is an abundant number, since it is smaller than the sum of its proper divisors (155197272948).

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

100155133452 is a wasteful number, since it uses less digits than its factorization.

100155133452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226406 (or 1226404 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 100155133452 its reverse (254331551001), we get a palindrome (354486684453).

The spelling of 100155133452 in words is "one hundred billion, one hundred fifty-five million, one hundred thirty-three thousand, four hundred fifty-two".