1101320525 has 6 divisors (see below), whose sum is σ = 1365637482. Its totient is φ = 881056400.

The previous prime is 1101320509. The next prime is 1101320527. The reversal of 1101320525 is 5250231011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 165817129 + 935503396 = 12877^2 + 30586^2 .

It is not a de Polignac number, because 1101320525 - 2⁴ = 1101320509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101320497 and 1101320506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101320527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22026386 + ... + 22026435.

It is an arithmetic number, because the mean of its divisors is an integer number (227606247).

Almost surely, 2^1101320525 is an apocalyptic number.

It is an amenable number.

1101320525 is a deficient number, since it is larger than the sum of its proper divisors (264316957).

1101320525 is an equidigital number, since it uses as much as digits as its factorization.

1101320525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44052831 (or 44052826 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1101320525 is about 33186.1495958781. The cubic root of 1101320525 is about 1032.6930265429.

Adding to 1101320525 its reverse (5250231011), we get a palindrome (6351551536).

The spelling of 1101320525 in words is "one billion, one hundred one million, three hundred twenty thousand, five hundred twenty-five".