125523203111104 has 112 divisors (see below), whose sum is σ = 269012976019200. Its totient is φ = 57933528339456.

The previous prime is 125523203111101. The next prime is 125523203111123. The reversal of 125523203111104 is 401111302325521.

It is not an unprimeable number, because it can be changed into a prime (125523203111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84081127 + ... + 85560985.

It is an arithmetic number, because the mean of its divisors is an integer number (2401901571600).

Almost surely, 2^{125523203111104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125523203111104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134506488009600).

125523203111104 is an abundant number, since it is smaller than the sum of its proper divisors (143489772908096).

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

125523203111104 is a wasteful number, since it uses less digits than its factorization.

125523203111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481910 (or 1481900 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 125523203111104 its reverse (401111302325521), we get a palindrome (526634505436625).

The spelling of 125523203111104 in words is "one hundred twenty-five trillion, five hundred twenty-three billion, two hundred three million, one hundred eleven thousand, one hundred four".