105155451425 has 12 divisors (see below), whose sum is σ = 130415054316. Its totient is φ = 84109977600.

The previous prime is 105155451403. The next prime is 105155451437. The reversal of 105155451425 is 524154551501.

It can be written as a sum of positive squares in 6 ways, for example, as 24522304 + 105130929121 = 4952^2 + 324239^2 .

It is not a de Polignac number, because 105155451425 - 2⁶ = 105155451361 is a prime.

It is a super-2 number, since 2×105155451425² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209216 + ... + 504065.

It is an arithmetic number, because the mean of its divisors is an integer number (10867921193).

Almost surely, 2^105155451425 is an apocalyptic number.

It is an amenable number.

105155451425 is a deficient number, since it is larger than the sum of its proper divisors (25259602891).

105155451425 is an equidigital number, since it uses as much as digits as its factorization.

105155451425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719188 (or 719183 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 105155451425 in words is "one hundred five billion, one hundred fifty-five million, four hundred fifty-one thousand, four hundred twenty-five".