105254619971 has 2 divisors, whose sum is σ = 105254619972. Its totient is φ = 105254619970.

The previous prime is 105254619947. The next prime is 105254620007. The reversal of 105254619971 is 179916452501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105254619971 - 2⁶ = 105254619907 is a prime.

It is a super-2 number, since 2×105254619971² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105254619271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52627309985 + 52627309986.

It is an arithmetic number, because the mean of its divisors is an integer number (52627309986).

Almost surely, 2^105254619971 is an apocalyptic number.

105254619971 is a deficient number, since it is larger than the sum of its proper divisors (1).

105254619971 is an equidigital number, since it uses as much as digits as its factorization.

105254619971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 105254619971 in words is "one hundred five billion, two hundred fifty-four million, six hundred nineteen thousand, nine hundred seventy-one".