25510000201123 has 2 divisors, whose sum is σ = 25510000201124. Its totient is φ = 25510000201122.

The previous prime is 25510000201073. The next prime is 25510000201163. The reversal of 25510000201123 is 32110200001552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25510000201123 is a prime.

It is a super-2 number, since 2×25510000201123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25510000201094 and 25510000201103.

It is not a weakly prime, because it can be changed into another prime (25510000201163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755000100561 + 12755000100562.

It is an arithmetic number, because the mean of its divisors is an integer number (12755000100562).

Almost surely, 2^{25510000201123} is an apocalyptic number.

25510000201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25510000201123 is an equidigital number, since it uses as much as digits as its factorization.

25510000201123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 25510000201123 its reverse (32110200001552), we get a palindrome (57620200202675).

The spelling of 25510000201123 in words is "twenty-five trillion, five hundred ten billion, two hundred one thousand, one hundred twenty-three".