1225524241251 has 8 divisors (see below), whose sum is σ = 1815591468560. Its totient is φ = 817016160816.

The previous prime is 1225524241237. The next prime is 1225524241261. The reversal of 1225524241251 is 1521424255221.

It is a happy number.

1225524241251 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 524 + 2 + 4 + 125 + 1 = 666.

It is not a de Polignac number, because 1225524241251 - 2¹⁷ = 1225524110179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225524241261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22694893330 + ... + 22694893383.

It is an arithmetic number, because the mean of its divisors is an integer number (226948933570).

Almost surely, 2^{1225524241251} is an apocalyptic number.

1225524241251 is a deficient number, since it is larger than the sum of its proper divisors (590067227309).

1225524241251 is an equidigital number, since it uses as much as digits as its factorization.

1225524241251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45389786722 (or 45389786716 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 1225524241251 its reverse (1521424255221), we get a palindrome (2746948496472).

The spelling of 1225524241251 in words is "one trillion, two hundred twenty-five billion, five hundred twenty-four million, two hundred forty-one thousand, two hundred fifty-one".