65520514152 has 24 divisors (see below), whose sum is σ = 177451392690. Its totient is φ = 21840171360.

The previous prime is 65520514133. The next prime is 65520514177. The reversal of 65520514152 is 25141502556.

65520514152 is a `hidden beast` number, since 6 + 552 + 0 + 51 + 4 + 1 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65518593156 + 1920996 = 255966^2 + 1386^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 455003499 + ... + 455003642.

Almost surely, 2^65520514152 is an apocalyptic number.

It is an amenable number.

65520514152 is an abundant number, since it is smaller than the sum of its proper divisors (111930878538).

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

65520514152 is a wasteful number, since it uses less digits than its factorization.

65520514152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910007153 (or 910007146 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 65520514152 in words is "sixty-five billion, five hundred twenty million, five hundred fourteen thousand, one hundred fifty-two".