125331520041405 has 48 divisors (see below), whose sum is σ = 217670451083904. Its totient is φ = 66711546760320.

The previous prime is 125331520041383. The next prime is 125331520041449. The reversal of 125331520041405 is 504140025133521.

125331520041405 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 3 + 1 + 5 + 200 + 41 + 405 = 666.

It is not a de Polignac number, because 125331520041405 - 2⁹ = 125331520040893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125331520041405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50951952 + ... + 53355078.

It is an arithmetic number, because the mean of its divisors is an integer number (4534801064248).

Almost surely, 2^{125331520041405} is an apocalyptic number.

125331520041405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125331520041405 is a deficient number, since it is larger than the sum of its proper divisors (92338931042499).

125331520041405 is a wasteful number, since it uses less digits than its factorization.

125331520041405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405426 (or 2405423 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 125331520041405 its reverse (504140025133521), we get a palindrome (629471545174926).

The spelling of 125331520041405 in words is "one hundred twenty-five trillion, three hundred thirty-one billion, five hundred twenty million, forty-one thousand, four hundred five".