105051155225 has 6 divisors (see below), whose sum is σ = 130263432510. Its totient is φ = 84040924160.

The previous prime is 105051155101. The next prime is 105051155311. The reversal of 105051155225 is 522551150501.

It can be written as a sum of positive squares in 3 ways, for example, as 797723536 + 104253431689 = 28244^2 + 322883^2 .

It is not a de Polignac number, because 105051155225 - 2⁸ = 105051154969 is a prime.

It is a super-2 number, since 2×105051155225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105051155191 and 105051155200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2101023080 + ... + 2101023129.

It is an arithmetic number, because the mean of its divisors is an integer number (21710572085).

Almost surely, 2^105051155225 is an apocalyptic number.

It is an amenable number.

105051155225 is a deficient number, since it is larger than the sum of its proper divisors (25212277285).

105051155225 is an equidigital number, since it uses as much as digits as its factorization.

105051155225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202046219 (or 4202046214 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 105051155225 in words is "one hundred five billion, fifty-one million, one hundred fifty-five thousand, two hundred twenty-five".