105202257983425 has 12 divisors (see below), whose sum is σ = 130450949869356. Its totient is φ = 84161709632000.

The previous prime is 105202257983393. The next prime is 105202257983429. The reversal of 105202257983425 is 524389752202501.

It can be written as a sum of positive squares in 6 ways, for example, as 17472659160961 + 87729598822464 = 4180031^2 + 9366408^2 .

It is not a de Polignac number, because 105202257983425 - 2⁵ = 105202257983393 is a prime.

It is a super-2 number, since 2×105202257983425² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105202257983429) 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, 26578125 + ... + 30278725.

It is an arithmetic number, because the mean of its divisors is an integer number (10870912489113).

Almost surely, 2^{105202257983425} is an apocalyptic number.

It is an amenable number.

105202257983425 is a deficient number, since it is larger than the sum of its proper divisors (25248691885931).

105202257983425 is a wasteful number, since it uses less digits than its factorization.

105202257983425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837748 (or 4837743 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 105202257983425 in words is "one hundred five trillion, two hundred two billion, two hundred fifty-seven million, nine hundred eighty-three thousand, four hundred twenty-five".