65015155010 has 96 divisors (see below), whose sum is σ = 132936152832. Its totient is φ = 22715320320.

The previous prime is 65015155001. The next prime is 65015155019. The reversal of 65015155010 is 1055151056.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65015155001) and next prime (65015155019).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65015155019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28131755 + ... + 28134065.

It is an arithmetic number, because the mean of its divisors is an integer number (1384751592).

Almost surely, 2^65015155010 is an apocalyptic number.

65015155010 is an abundant number, since it is smaller than the sum of its proper divisors (67920997822).

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

65015155010 is a wasteful number, since it uses less digits than its factorization.

65015155010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 65015155010 in words is "sixty-five billion, fifteen million, one hundred fifty-five thousand, ten".