11501014120225 has 12 divisors (see below), whose sum is σ = 16298580010624. Its totient is φ = 7886409682320.

The previous prime is 11501014120223. The next prime is 11501014120231. The reversal of 11501014120225 is 52202141010511.

It is not a de Polignac number, because 11501014120225 - 2¹ = 11501014120223 is a prime.

It is a super-2 number, since 2×11501014120225² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11501014120225.

It is not an unprimeable number, because it can be changed into a prime (11501014120223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32860040169 + ... + 32860040518.

Almost surely, 2^{11501014120225} is an apocalyptic number.

It is an amenable number.

11501014120225 is a deficient number, since it is larger than the sum of its proper divisors (4797565890399).

11501014120225 is an equidigital number, since it uses as much as digits as its factorization.

11501014120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65720080704 (or 65720080699 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 11501014120225 its reverse (52202141010511), we get a palindrome (63703155130736).

The spelling of 11501014120225 in words is "eleven trillion, five hundred one billion, fourteen million, one hundred twenty thousand, two hundred twenty-five".