125355303403 has 12 divisors (see below), whose sum is σ = 138839062824. Its totient is φ = 113089433600.

The previous prime is 125355303379. The next prime is 125355303407. The reversal of 125355303403 is 304303553521.

It is a de Polignac number, because none of the positive numbers 2^k-125355303403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125355303407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3938326 + ... + 3970027.

It is an arithmetic number, because the mean of its divisors is an integer number (11569921902).

Almost surely, 2^125355303403 is an apocalyptic number.

125355303403 is a deficient number, since it is larger than the sum of its proper divisors (13483759421).

125355303403 is a wasteful number, since it uses less digits than its factorization.

125355303403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908506 (or 7908495 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 125355303403 its reverse (304303553521), we get a palindrome (429658856924).

The spelling of 125355303403 in words is "one hundred twenty-five billion, three hundred fifty-five million, three hundred three thousand, four hundred three".