125144322323405 has 64 divisors (see below), whose sum is σ = 188023449968640. Its totient is φ = 77681024870400.

The previous prime is 125144322323353. The next prime is 125144322323407. The reversal of 125144322323405 is 504323223441521.

It is not a de Polignac number, because 125144322323405 - 2⁸ = 125144322323149 is a prime.

It is a super-2 number, since 2×125144322323405² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125144322323407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2205663197 + ... + 2205719933.

It is an arithmetic number, because the mean of its divisors is an integer number (2937866405760).

Almost surely, 2^{125144322323405} is an apocalyptic number.

It is an amenable number.

125144322323405 is a deficient number, since it is larger than the sum of its proper divisors (62879127645235).

125144322323405 is a wasteful number, since it uses less digits than its factorization.

125144322323405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80970.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 125144322323405 its reverse (504323223441521), we get a palindrome (629467545764926).

The spelling of 125144322323405 in words is "one hundred twenty-five trillion, one hundred forty-four billion, three hundred twenty-two million, three hundred twenty-three thousand, four hundred five".