12765069520 has 40 divisors (see below), whose sum is σ = 33918614784. Its totient is φ = 4376595072.

The previous prime is 12765069487. The next prime is 12765069563. The reversal of 12765069520 is 2596056721.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11396824 + ... + 11397943.

Almost surely, 2^12765069520 is an apocalyptic number.

12765069520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12765069520 is an abundant number, since it is smaller than the sum of its proper divisors (21153545264).

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

12765069520 is a wasteful number, since it uses less digits than its factorization.

12765069520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794787 (or 22794781 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 12765069520 in words is "twelve billion, seven hundred sixty-five million, sixty-nine thousand, five hundred twenty".