1054251252225 has 24 divisors (see below), whose sum is σ = 1936698597920. Its totient is φ = 562267334160.

The previous prime is 1054251252217. The next prime is 1054251252227. The reversal of 1054251252225 is 5222521524501.

1054251252225 is a `hidden beast` number, since 1 + 0 + 5 + 425 + 1 + 2 + 5 + 2 + 225 = 666.

1054251252225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1054251252225 - 2³ = 1054251252217 is a prime.

It is a super-2 number, since 2×1054251252225² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054251252225.

It is not an unprimeable number, because it can be changed into a prime (1054251252227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780926179 + ... + 780927528.

Almost surely, 2^{1054251252225} is an apocalyptic number.

1054251252225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054251252225 is a deficient number, since it is larger than the sum of its proper divisors (882447345695).

1054251252225 is a wasteful number, since it uses less digits than its factorization.

1054251252225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561853726 (or 1561853715 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 1054251252225 its reverse (5222521524501), we get a palindrome (6276772776726).

The spelling of 1054251252225 in words is "one trillion, fifty-four billion, two hundred fifty-one million, two hundred fifty-two thousand, two hundred twenty-five".