105245984525 has 72 divisors (see below), whose sum is σ = 145864747392. Its totient is φ = 75263760000.

The previous prime is 105245984521. The next prime is 105245984603. The reversal of 105245984525 is 525489542501.

It is not a de Polignac number, because 105245984525 - 2² = 105245984521 is a prime.

It is a super-2 number, since 2×105245984525² (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 (105245984521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47046707 + ... + 47048943.

Almost surely, 2^105245984525 is an apocalyptic number.

It is an amenable number.

105245984525 is a deficient number, since it is larger than the sum of its proper divisors (40618762867).

105245984525 is a wasteful number, since it uses less digits than its factorization.

105245984525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 105245984525 in words is "one hundred five billion, two hundred forty-five million, nine hundred eighty-four thousand, five hundred twenty-five".