125354205215320 has 32 divisors (see below), whose sum is σ = 282048003820800. Its totient is φ = 50141496826368.

The previous prime is 125354205215279. The next prime is 125354205215321. The reversal of 125354205215320 is 23512502453521.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125354205215321) 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 7 ways as a sum of consecutive naturals, for example, 5441161 + ... + 16742599.

It is an arithmetic number, because the mean of its divisors is an integer number (8814000119400).

Almost surely, 2^{125354205215320} is an apocalyptic number.

125354205215320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125354205215320 is an abundant number, since it is smaller than the sum of its proper divisors (156693798605480).

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

125354205215320 is a wasteful number, since it uses less digits than its factorization.

125354205215320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578747 (or 11578743 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 125354205215320 its reverse (23512502453521), we get a palindrome (148866707668841).

The spelling of 125354205215320 in words is "one hundred twenty-five trillion, three hundred fifty-four billion, two hundred five million, two hundred fifteen thousand, three hundred twenty".