65151515928 has 16 divisors (see below), whose sum is σ = 162878789880. Its totient is φ = 21717171968.

The previous prime is 65151515917. The next prime is 65151515929. The reversal of 65151515928 is 82951515156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65151515929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357323225 + ... + 1357323272.

Almost surely, 2^65151515928 is an apocalyptic number.

It is an amenable number.

65151515928 is an abundant number, since it is smaller than the sum of its proper divisors (97727273952).

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

65151515928 is a wasteful number, since it uses less digits than its factorization.

65151515928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714646506 (or 2714646502 counting only the distinct ones).

The product of its digits is 540000, while the sum is 48.

The spelling of 65151515928 in words is "sixty-five billion, one hundred fifty-one million, five hundred fifteen thousand, nine hundred twenty-eight".