65510555150 has 12 divisors (see below), whose sum is σ = 121849632672. Its totient is φ = 26204222040.

The previous prime is 65510555137. The next prime is 65510555177. The reversal of 65510555150 is 5155501556.

It is a happy number.

It is a super-2 number, since 2×65510555150² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655105502 + ... + 655105601.

It is an arithmetic number, because the mean of its divisors is an integer number (10154136056).

Almost surely, 2^65510555150 is an apocalyptic number.

65510555150 is a deficient number, since it is larger than the sum of its proper divisors (56339077522).

65510555150 is a wasteful number, since it uses less digits than its factorization.

65510555150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310211115 (or 1310211110 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 65510555150 in words is "sixty-five billion, five hundred ten million, five hundred fifty-five thousand, one hundred fifty".