11974655211225 has 24 divisors (see below), whose sum is σ = 22626396133440. Its totient is φ = 5474128096320.

The previous prime is 11974655211193. The next prime is 11974655211227. The reversal of 11974655211225 is 52211255647911.

It is not a de Polignac number, because 11974655211225 - 2⁵ = 11974655211193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11974655211227) 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, 11404433010 + ... + 11404434059.

It is an arithmetic number, because the mean of its divisors is an integer number (942766505560).

Almost surely, 2^{11974655211225} is an apocalyptic number.

11974655211225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11974655211225 is a deficient number, since it is larger than the sum of its proper divisors (10651740922215).

11974655211225 is a wasteful number, since it uses less digits than its factorization.

11974655211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22808867089 (or 22808867084 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 51.

The spelling of 11974655211225 in words is "eleven trillion, nine hundred seventy-four billion, six hundred fifty-five million, two hundred eleven thousand, two hundred twenty-five".