25155003011 has 2 divisors, whose sum is σ = 25155003012. Its totient is φ = 25155003010.

The previous prime is 25155003001. The next prime is 25155003017. The reversal of 25155003011 is 11030055152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25155003011 is a prime.

It is a super-2 number, since 2×25155003011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25155003017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577501505 + 12577501506.

It is an arithmetic number, because the mean of its divisors is an integer number (12577501506).

Almost surely, 2^25155003011 is an apocalyptic number.

25155003011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25155003011 is an equidigital number, since it uses as much as digits as its factorization.

25155003011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 25155003011 its reverse (11030055152), we get a palindrome (36185058163).

The spelling of 25155003011 in words is "twenty-five billion, one hundred fifty-five million, three thousand, eleven".