103240566525 has 12 divisors (see below), whose sum is σ = 170691070112. Its totient is φ = 55061635440.

The previous prime is 103240566521. The next prime is 103240566581. The reversal of 103240566525 is 525665042301.

It is not a de Polignac number, because 103240566525 - 2² = 103240566521 is a prime.

It is a super-2 number, since 2×103240566525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240566521) 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, 688270369 + ... + 688270518.

Almost surely, 2^103240566525 is an apocalyptic number.

103240566525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103240566525 is a deficient number, since it is larger than the sum of its proper divisors (67450503587).

103240566525 is a wasteful number, since it uses less digits than its factorization.

103240566525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376540900 (or 1376540895 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 103240566525 in words is "one hundred three billion, two hundred forty million, five hundred sixty-six thousand, five hundred twenty-five".