65155115 has 8 divisors (see below), whose sum is σ = 78268848. Its totient is φ = 52068960.

The previous prime is 65155093. The next prime is 65155117. The reversal of 65155115 is 51155156.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65155115 - 2¹⁶ = 65089579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65155117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (9783606).

Almost surely, 2^65155115 is an apocalyptic number.

65155115 is a deficient number, since it is larger than the sum of its proper divisors (13113733).

65155115 is a wasteful number, since it uses less digits than its factorization.

65155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789.

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

The square root of 65155115 is about 8071.8718399142. The cubic root of 65155115 is about 402.3921550504.

The spelling of 65155115 in words is "sixty-five million, one hundred fifty-five thousand, one hundred fifteen".