142520011100 has 72 divisors (see below), whose sum is σ = 314785852416. Its totient is φ = 55996920000.

The previous prime is 142520011091. The next prime is 142520011133. The reversal of 142520011100 is 1110025241.

142520011100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1887065 + ... + 1961135.

It is an arithmetic number, because the mean of its divisors is an integer number (4372025728).

Almost surely, 2^142520011100 is an apocalyptic number.

142520011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142520011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157392926208).

142520011100 is an abundant number, since it is smaller than the sum of its proper divisors (172265841316).

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

142520011100 is a wasteful number, since it uses less digits than its factorization.

142520011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74427 (or 74420 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 142520011100 its reverse (1110025241), we get a palindrome (143630036341).

The spelling of 142520011100 in words is "one hundred forty-two billion, five hundred twenty million, eleven thousand, one hundred".