125610813153 has 32 divisors (see below), whose sum is σ = 215236761600. Its totient is φ = 70912808208.

The previous prime is 125610813149. The next prime is 125610813161. The reversal of 125610813153 is 351318016521.

It is a happy number.

125610813153 is a `hidden beast` number, since 1 + 2 + 5 + 610 + 8 + 1 + 31 + 5 + 3 = 666.

It is not a de Polignac number, because 125610813153 - 2² = 125610813149 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125610811153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3987973 + ... + 4019346.

It is an arithmetic number, because the mean of its divisors is an integer number (6726148800).

Almost surely, 2^125610813153 is an apocalyptic number.

It is an amenable number.

125610813153 is a deficient number, since it is larger than the sum of its proper divisors (89625948447).

125610813153 is an equidigital number, since it uses as much as digits as its factorization.

125610813153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007418 (or 8007412 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

Adding to 125610813153 its reverse (351318016521), we get a palindrome (476928829674).

The spelling of 125610813153 in words is "one hundred twenty-five billion, six hundred ten million, eight hundred thirteen thousand, one hundred fifty-three".