65153155 has 4 divisors (see below), whose sum is σ = 78183792. Its totient is φ = 52122520.

The previous prime is 65153149. The next prime is 65153167. The reversal of 65153155 is 55135156.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-65153155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515311 + ... + 6515320.

It is an arithmetic number, because the mean of its divisors is an integer number (19545948).

Almost surely, 2^65153155 is an apocalyptic number.

65153155 is a deficient number, since it is larger than the sum of its proper divisors (13030637).

65153155 is a wasteful number, since it uses less digits than its factorization.

65153155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030636.

The product of its digits is 11250, while the sum is 31.

The square root of 65153155 is about 8071.7504297395. The cubic root of 65153155 is about 402.3881200818.

The spelling of 65153155 in words is "sixty-five million, one hundred fifty-three thousand, one hundred fifty-five".