13154212233225 has 96 divisors (see below), whose sum is σ = 27617996144640. Its totient is φ = 6013112397120.

The previous prime is 13154212233221. The next prime is 13154212233277. The reversal of 13154212233225 is 52233221245131.

13154212233225 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 421 + 2 + 2 + 3 + 3 + 225 = 666.

It is not a de Polignac number, because 13154212233225 - 2² = 13154212233221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13154212233225.

It is not an unprimeable number, because it can be changed into a prime (13154212233221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176238264 + ... + 176312886.

It is an arithmetic number, because the mean of its divisors is an integer number (287687459840).

Almost surely, 2^{13154212233225} is an apocalyptic number.

13154212233225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13154212233225 is an abundant number, since it is smaller than the sum of its proper divisors (14463783911415).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13154212233225 is a wasteful number, since it uses less digits than its factorization.

13154212233225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111956 (or 111945 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 13154212233225 its reverse (52233221245131), we get a palindrome (65387433478356).

The spelling of 13154212233225 in words is "thirteen trillion, one hundred fifty-four billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty-five".