65032448121 has 48 divisors (see below), whose sum is σ = 97440907200. Its totient is φ = 41762438784.

The previous prime is 65032448101. The next prime is 65032448147. The reversal of 65032448121 is 12184423056.

It is a happy number.

65032448121 is a `hidden beast` number, since 6 + 503 + 24 + 4 + 8 + 121 = 666.

65032448121 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 65032448121 - 2¹⁵ = 65032415353 is a prime.

It is a super-2 number, since 2×65032448121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65032448101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18374170 + ... + 18377708.

It is an arithmetic number, because the mean of its divisors is an integer number (2030018900).

Almost surely, 2^65032448121 is an apocalyptic number.

It is an amenable number.

65032448121 is a deficient number, since it is larger than the sum of its proper divisors (32408459079).

65032448121 is a wasteful number, since it uses less digits than its factorization.

65032448121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 65032448121 in words is "sixty-five billion, thirty-two million, four hundred forty-eight thousand, one hundred twenty-one".