65151155 has 4 divisors (see below), whose sum is σ = 78181392. Its totient is φ = 52120920.

The previous prime is 65151143. The next prime is 65151169. The reversal of 65151155 is 55115156.

It is a happy number.

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

It is not a de Polignac number, because 65151155 - 2¹² = 65147059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6515111 + ... + 6515120.

It is an arithmetic number, because the mean of its divisors is an integer number (19545348).

Almost surely, 2^65151155 is an apocalyptic number.

65151155 is a deficient number, since it is larger than the sum of its proper divisors (13030237).

65151155 is a wasteful number, since it uses less digits than its factorization.

65151155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13030236.

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

The square root of 65151155 is about 8071.6265399237. The cubic root of 65151155 is about 402.3840026834.

The spelling of 65151155 in words is "sixty-five million, one hundred fifty-one thousand, one hundred fifty-five".