65851120130 has 8 divisors (see below), whose sum is σ = 118532016252. Its totient is φ = 26340448048.

The previous prime is 65851120123. The next prime is 65851120133. The reversal of 65851120130 is 3102115856.

It can be written as a sum of positive squares in 2 ways, for example, as 59765091961 + 6086028169 = 244469^2 + 78013^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65851120133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3292555997 + ... + 3292556016.

Almost surely, 2^65851120130 is an apocalyptic number.

65851120130 is a deficient number, since it is larger than the sum of its proper divisors (52680896122).

65851120130 is a wasteful number, since it uses less digits than its factorization.

65851120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585112020.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 65851120130 its reverse (3102115856), we get a palindrome (68953235986).

The spelling of 65851120130 in words is "sixty-five billion, eight hundred fifty-one million, one hundred twenty thousand, one hundred thirty".