Search a number
-
+
25695611041 is a prime number
BaseRepresentation
bin10111111011100100…
…111110100010100001
32110022202211021202211
4113323210332202201
5410111034023131
615445430042121
71566522042622
oct277344764241
973282737684
1025695611041
11a996558991
124b914a9341
132566699c99
14135a8dba49
15a05cc95b1
hex5fb93e8a1

25695611041 has 2 divisors, whose sum is σ = 25695611042. Its totient is φ = 25695611040.

The previous prime is 25695611003. The next prime is 25695611057. The reversal of 25695611041 is 14011659652.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14611732641 + 11083878400 = 120879^2 + 105280^2 .

It is a cyclic number.

It is not a de Polignac number, because 25695611041 - 215 = 25695578273 is a prime.

It is a super-2 number, since 2×256956110412 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25695610985 and 25695611003.

It is not a weakly prime, because it can be changed into another prime (25695611341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12847805520 + 12847805521.

It is an arithmetic number, because the mean of its divisors is an integer number (12847805521).

Almost surely, 225695611041 is an apocalyptic number.

It is an amenable number.

25695611041 is a deficient number, since it is larger than the sum of its proper divisors (1).

25695611041 is an equidigital number, since it uses as much as digits as its factorization.

25695611041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 25695611041 in words is "twenty-five billion, six hundred ninety-five million, six hundred eleven thousand, forty-one".