1225225426503 has 16 divisors (see below), whose sum is σ = 1759674309120. Its totient is φ = 753823623264.

The previous prime is 1225225426501. The next prime is 1225225426507. The reversal of 1225225426503 is 3056245225221.

It is not a de Polignac number, because 1225225426503 - 2¹ = 1225225426501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225225426501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174651 + ... + 3539612.

It is an arithmetic number, because the mean of its divisors is an integer number (109979644320).

Almost surely, 2^{1225225426503} is an apocalyptic number.

1225225426503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1225225426503 is a deficient number, since it is larger than the sum of its proper divisors (534448882617).

1225225426503 is a wasteful number, since it uses less digits than its factorization.

1225225426503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718958.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 1225225426503 in words is "one trillion, two hundred twenty-five billion, two hundred twenty-five million, four hundred twenty-six thousand, five hundred three".