105125905051 has 2 divisors, whose sum is σ = 105125905052. Its totient is φ = 105125905050.

The previous prime is 105125904997. The next prime is 105125905067. The reversal of 105125905051 is 150509521501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105125905051 - 2²⁷ = 104991687323 is a prime.

It is a super-2 number, since 2×105125905051² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105125904998 and 105125905016.

It is not a weakly prime, because it can be changed into another prime (105125905091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52562952525 + 52562952526.

It is an arithmetic number, because the mean of its divisors is an integer number (52562952526).

Almost surely, 2^105125905051 is an apocalyptic number.

105125905051 is a deficient number, since it is larger than the sum of its proper divisors (1).

105125905051 is an equidigital number, since it uses as much as digits as its factorization.

105125905051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 34.

The spelling of 105125905051 in words is "one hundred five billion, one hundred twenty-five million, nine hundred five thousand, fifty-one".