65501501500 has 48 divisors (see below), whose sum is σ = 151470315360. Its totient is φ = 24659385600.

The previous prime is 65501501497. The next prime is 65501501509. The reversal of 65501501500 is 510510556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65501501509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844530 + ... + 3861529.

It is an arithmetic number, because the mean of its divisors is an integer number (3155631570).

Almost surely, 2^65501501500 is an apocalyptic number.

It is an amenable number.

65501501500 is an abundant number, since it is smaller than the sum of its proper divisors (85968813860).

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

65501501500 is a wasteful number, since it uses less digits than its factorization.

65501501500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706095 (or 7706083 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 65501501500 in words is "sixty-five billion, five hundred one million, five hundred one thousand, five hundred".