25321333011 has 16 divisors (see below), whose sum is σ = 36382671360. Its totient is φ = 15572144160.

The previous prime is 25321333007. The next prime is 25321333021. The reversal of 25321333011 is 11033312352.

It is not a de Polignac number, because 25321333011 - 2² = 25321333007 is a prime.

It is a super-2 number, since 2×25321333011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25321333021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152331 + ... + 271748.

It is an arithmetic number, because the mean of its divisors is an integer number (2273916960).

Almost surely, 2^25321333011 is an apocalyptic number.

25321333011 is a deficient number, since it is larger than the sum of its proper divisors (11061338349).

25321333011 is a wasteful number, since it uses less digits than its factorization.

25321333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425626.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 25321333011 its reverse (11033312352), we get a palindrome (36354645363).

The spelling of 25321333011 in words is "twenty-five billion, three hundred twenty-one million, three hundred thirty-three thousand, eleven".