1225682374385 has 8 divisors (see below), whose sum is σ = 1680935827776. Its totient is φ = 840467913840.

The previous prime is 1225682374381. The next prime is 1225682374387. The reversal of 1225682374385 is 5834732865221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225682374385 - 2² = 1225682374381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225682374385.

It is not an unprimeable number, because it can be changed into a prime (1225682374381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17509748171 + ... + 17509748240.

It is an arithmetic number, because the mean of its divisors is an integer number (210116978472).

Almost surely, 2^{1225682374385} is an apocalyptic number.

It is an amenable number.

1225682374385 is a deficient number, since it is larger than the sum of its proper divisors (455253453391).

1225682374385 is an equidigital number, since it uses as much as digits as its factorization.

1225682374385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35019496423.

The product of its digits is 19353600, while the sum is 56.

The spelling of 1225682374385 in words is "one trillion, two hundred twenty-five billion, six hundred eighty-two million, three hundred seventy-four thousand, three hundred eighty-five".