11501101225 has 6 divisors (see below), whose sum is σ = 14261365550. Its totient is φ = 9200880960.

The previous prime is 11501101219. The next prime is 11501101237. The reversal of 11501101225 is 52210110511.

It can be written as a sum of positive squares in 3 ways, for example, as 2399401 + 11498701824 = 1549^2 + 107232^2 .

It is not a de Polignac number, because 11501101225 - 2¹⁷ = 11500970153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230022000 + ... + 230022049.

Almost surely, 2^11501101225 is an apocalyptic number.

It is an amenable number.

11501101225 is a deficient number, since it is larger than the sum of its proper divisors (2760264325).

11501101225 is an equidigital number, since it uses as much as digits as its factorization.

11501101225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460044059 (or 460044054 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 11501101225 its reverse (52210110511), we get a palindrome (63711211736).

The spelling of 11501101225 in words is "eleven billion, five hundred one million, one hundred one thousand, two hundred twenty-five".