65001115011 has 32 divisors (see below), whose sum is σ = 102603432960. Its totient is φ = 35814167424.

The previous prime is 65001114923. The next prime is 65001115013. The reversal of 65001115011 is 11051110056.

It is a happy number.

65001115011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65001115011 - 2⁷ = 65001114883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (65001115013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380661 + ... + 524313.

It is an arithmetic number, because the mean of its divisors is an integer number (3206357280).

Almost surely, 2^65001115011 is an apocalyptic number.

65001115011 is a deficient number, since it is larger than the sum of its proper divisors (37602317949).

65001115011 is a wasteful number, since it uses less digits than its factorization.

65001115011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144435.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 65001115011 its reverse (11051110056), we get a palindrome (76052225067).

The spelling of 65001115011 in words is "sixty-five billion, one million, one hundred fifteen thousand, eleven".