65111055000 has 80 divisors (see below), whose sum is σ = 203406982680. Its totient is φ = 17362944000.

The previous prime is 65111054999. The next prime is 65111055007. The reversal of 65111055000 is 55011156.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65111055007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2155369 + ... + 2185368.

Almost surely, 2^65111055000 is an apocalyptic number.

65111055000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65111055000 is an abundant number, since it is smaller than the sum of its proper divisors (138295927680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65111055000 is a wasteful number, since it uses less digits than its factorization.

65111055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340766 (or 4340747 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 65111055000 its reverse (55011156), we get a palindrome (65166066156).

The spelling of 65111055000 in words is "sixty-five billion, one hundred eleven million, fifty-five thousand".