10533211225 has 12 divisors (see below), whose sum is σ = 13064281020. Its totient is φ = 8424569600.

The previous prime is 10533211201. The next prime is 10533211253. The reversal of 10533211225 is 52211233501.

It can be written as a sum of positive squares in 6 ways, for example, as 1915987984 + 8617223241 = 43772^2 + 92829^2 .

It is not a de Polignac number, because 10533211225 - 2¹¹ = 10533209177 is a prime.

It is a super-2 number, since 2×10533211225² (a number of 21 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10533211225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62445 + ... + 158005.

It is an arithmetic number, because the mean of its divisors is an integer number (1088690085).

Almost surely, 2^10533211225 is an apocalyptic number.

It is an amenable number.

10533211225 is a deficient number, since it is larger than the sum of its proper divisors (2531069795).

10533211225 is an equidigital number, since it uses as much as digits as its factorization.

10533211225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99980 (or 99975 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 10533211225 its reverse (52211233501), we get a palindrome (62744444726).

The spelling of 10533211225 in words is "ten billion, five hundred thirty-three million, two hundred eleven thousand, two hundred twenty-five".