65011515150 has 48 divisors (see below), whose sum is σ = 166429490688. Its totient is φ = 16777164000.

The previous prime is 65011515139. The next prime is 65011515203. The reversal of 65011515150 is 5151511056.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6985836 + ... + 6995135.

It is an arithmetic number, because the mean of its divisors is an integer number (3467281056).

Almost surely, 2^65011515150 is an apocalyptic number.

65011515150 is an abundant number, since it is smaller than the sum of its proper divisors (101417975538).

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

65011515150 is a wasteful number, since it uses less digits than its factorization.

65011515150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981017 (or 13981012 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 65011515150 in words is "sixty-five billion, eleven million, five hundred fifteen thousand, one hundred fifty".