125403003525 has 24 divisors (see below), whose sum is σ = 207499120000. Its totient is φ = 66828003840.

The previous prime is 125403003521. The next prime is 125403003559. The reversal of 125403003525 is 525300304521.

It is not a de Polignac number, because 125403003525 - 2² = 125403003521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125403003492 and 125403003501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125403003521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575677 + ... + 763026.

Almost surely, 2^125403003525 is an apocalyptic number.

125403003525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125403003525 is a deficient number, since it is larger than the sum of its proper divisors (82096116475).

125403003525 is a wasteful number, since it uses less digits than its factorization.

125403003525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339965 (or 1339960 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 125403003525 in words is "one hundred twenty-five billion, four hundred three million, three thousand, five hundred twenty-five".