20101113325 has 6 divisors (see below), whose sum is σ = 24925380554. Its totient is φ = 16080890640.

The previous prime is 20101113323. The next prime is 20101113359. The reversal of 20101113325 is 52331110102.

It can be written as a sum of positive squares in 3 ways, for example, as 1777971556 + 18323141769 = 42166^2 + 135363^2 .

It is not a de Polignac number, because 20101113325 - 2¹ = 20101113323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101113323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402022242 + ... + 402022291.

Almost surely, 2^20101113325 is an apocalyptic number.

20101113325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20101113325 is a deficient number, since it is larger than the sum of its proper divisors (4824267229).

20101113325 is an equidigital number, since it uses as much as digits as its factorization.

20101113325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804044543 (or 804044538 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20101113325 its reverse (52331110102), we get a palindrome (72432223427).

The spelling of 20101113325 in words is "twenty billion, one hundred one million, one hundred thirteen thousand, three hundred twenty-five".