125604311523442 has 8 divisors (see below), whose sum is σ = 188406997393500. Its totient is φ = 62801979058944.

The previous prime is 125604311523377. The next prime is 125604311523511. The reversal of 125604311523442 is 244325113406521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122374459165401 + 3229852358041 = 11062299^2 + 1797179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87461067 + ... + 88885582.

Almost surely, 2^{125604311523442} is an apocalyptic number.

125604311523442 is a deficient number, since it is larger than the sum of its proper divisors (62802685870058).

125604311523442 is a wasteful number, since it uses less digits than its factorization.

125604311523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176702780.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 125604311523442 its reverse (244325113406521), we get a palindrome (369929424929963).

The spelling of 125604311523442 in words is "one hundred twenty-five trillion, six hundred four billion, three hundred eleven million, five hundred twenty-three thousand, four hundred forty-two".