65154565012 has 24 divisors (see below), whose sum is σ = 117092869992. Its totient is φ = 31703424000.

The previous prime is 65154564967. The next prime is 65154565019. The reversal of 65154565012 is 21056545156.

65154565012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15248792196 + 49905772816 = 123486^2 + 223396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65154565019) 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, 429603 + ... + 561130.

It is an arithmetic number, because the mean of its divisors is an integer number (4878869583).

Almost surely, 2^65154565012 is an apocalyptic number.

It is an amenable number.

65154565012 is a deficient number, since it is larger than the sum of its proper divisors (51938304980).

65154565012 is a wasteful number, since it uses less digits than its factorization.

65154565012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991179 (or 991177 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 65154565012 in words is "sixty-five billion, one hundred fifty-four million, five hundred sixty-five thousand, twelve".