1225412425455 has 16 divisors (see below), whose sum is σ = 1962666720864. Its totient is φ = 652884346880.

The previous prime is 1225412425439. The next prime is 1225412425519. The reversal of 1225412425455 is 5545242145221.

It is not a de Polignac number, because 1225412425455 - 2⁴ = 1225412425439 is a prime.

It is a super-2 number, since 2×1225412425455² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41794026 + ... + 41823335.

It is an arithmetic number, because the mean of its divisors is an integer number (122666670054).

Almost surely, 2^{1225412425455} is an apocalyptic number.

1225412425455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225412425455 is a deficient number, since it is larger than the sum of its proper divisors (737254295409).

1225412425455 is an equidigital number, since it uses as much as digits as its factorization.

1225412425455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83618346.

The product of its digits is 640000, while the sum is 42.

The spelling of 1225412425455 in words is "one trillion, two hundred twenty-five billion, four hundred twelve million, four hundred twenty-five thousand, four hundred fifty-five".