25517180083 has 2 divisors, whose sum is σ = 25517180084. Its totient is φ = 25517180082.

The previous prime is 25517180057. The next prime is 25517180111. The reversal of 25517180083 is 38008171552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25517180083 - 2²⁹ = 24980309171 is a prime.

It is a super-2 number, since 2×25517180083² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25517180033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12758590041 + 12758590042.

It is an arithmetic number, because the mean of its divisors is an integer number (12758590042).

Almost surely, 2^25517180083 is an apocalyptic number.

25517180083 is a deficient number, since it is larger than the sum of its proper divisors (1).

25517180083 is an equidigital number, since it uses as much as digits as its factorization.

25517180083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 25517180083 in words is "twenty-five billion, five hundred seventeen million, one hundred eighty thousand, eighty-three".