65150506155 has 64 divisors (see below), whose sum is σ = 126631848960. Its totient is φ = 27921874944.

The previous prime is 65150506139. The next prime is 65150506159. The reversal of 65150506155 is 55160505156.

It is not a de Polignac number, because 65150506155 - 2⁴ = 65150506139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65150506159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387736 + ... + 529754.

It is an arithmetic number, because the mean of its divisors is an integer number (1978622640).

Almost surely, 2^65150506155 is an apocalyptic number.

65150506155 is a deficient number, since it is larger than the sum of its proper divisors (61481342805).

65150506155 is a wasteful number, since it uses less digits than its factorization.

65150506155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142308.

The product of its (nonzero) digits is 112500, while the sum is 39.

Subtracting from 65150506155 its reverse (55160505156), we obtain a palindrome (9990000999).

The spelling of 65150506155 in words is "sixty-five billion, one hundred fifty million, five hundred six thousand, one hundred fifty-five".