1265520200676 has 12 divisors (see below), whose sum is σ = 2952880468272. Its totient is φ = 421840066888.

The previous prime is 1265520200621. The next prime is 1265520200689. The reversal of 1265520200676 is 6760020255621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52730008350 + ... + 52730008373.

It is an arithmetic number, because the mean of its divisors is an integer number (246073372356).

Almost surely, 2^{1265520200676} is an apocalyptic number.

It is an amenable number.

1265520200676 is an abundant number, since it is smaller than the sum of its proper divisors (1687360267596).

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

1265520200676 is a wasteful number, since it uses less digits than its factorization.

1265520200676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105460016730 (or 105460016728 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

Subtracting 1265520200676 from its reverse (6760020255621), we obtain a palindrome (5494500054945).

The spelling of 1265520200676 in words is "one trillion, two hundred sixty-five billion, five hundred twenty million, two hundred thousand, six hundred seventy-six".