1225613367867 has 16 divisors (see below), whose sum is σ = 1872803566080. Its totient is φ = 698399654592.

The previous prime is 1225613367857. The next prime is 1225613367911. The reversal of 1225613367867 is 7687633165221.

It is not a de Polignac number, because 1225613367867 - 2⁸ = 1225613367611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225613367817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81277338 + ... + 81292415.

It is an arithmetic number, because the mean of its divisors is an integer number (117050222880).

Almost surely, 2^{1225613367867} is an apocalyptic number.

1225613367867 is a deficient number, since it is larger than the sum of its proper divisors (647190198213).

1225613367867 is a wasteful number, since it uses less digits than its factorization.

1225613367867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162570122.

The product of its digits is 15240960, while the sum is 57.

The spelling of 1225613367867 in words is "one trillion, two hundred twenty-five billion, six hundred thirteen million, three hundred sixty-seven thousand, eight hundred sixty-seven".