1225501505233 has 4 divisors (see below), whose sum is σ = 1233726347700. Its totient is φ = 1217276662768.

The previous prime is 1225501505231. The next prime is 1225501505287. The reversal of 1225501505233 is 3325051055221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 278749153089 + 946752352144 = 527967^2 + 973012^2 .

It is not a de Polignac number, because 1225501505233 - 2¹ = 1225501505231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225501505231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4112421010 + ... + 4112421307.

It is an arithmetic number, because the mean of its divisors is an integer number (308431586925).

Almost surely, 2^{1225501505233} is an apocalyptic number.

It is an amenable number.

1225501505233 is a deficient number, since it is larger than the sum of its proper divisors (8224842467).

1225501505233 is an equidigital number, since it uses as much as digits as its factorization.

1225501505233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8224842466.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1225501505233 in words is "one trillion, two hundred twenty-five billion, five hundred one million, five hundred five thousand, two hundred thirty-three".