1265441004204 has 48 divisors (see below), whose sum is σ = 3347185390080. Its totient is φ = 368873490240.

The previous prime is 1265441004199. The next prime is 1265441004229. The reversal of 1265441004204 is 4024001445621.

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, 213465492 + ... + 213471419.

It is an arithmetic number, because the mean of its divisors is an integer number (69733028960).

Almost surely, 2^{1265441004204} is an apocalyptic number.

It is an amenable number.

1265441004204 is an abundant number, since it is smaller than the sum of its proper divisors (2081744385876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265441004204 is a wasteful number, since it uses less digits than its factorization.

1265441004204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426936950 (or 426936948 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 1265441004204 its reverse (4024001445621), we get a palindrome (5289442449825).

The spelling of 1265441004204 in words is "one trillion, two hundred sixty-five billion, four hundred forty-one million, four thousand, two hundred four".