65215371242 has 16 divisors (see below), whose sum is σ = 111859149312. Its totient is φ = 27934102320.

The previous prime is 65215371241. The next prime is 65215371269. The reversal of 65215371242 is 24217351256.

It is a junction number, because it is equal to n+sod(n) for n = 65215371196 and 65215371205.

It is not an unprimeable number, because it can be changed into a prime (65215371241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252109 + ... + 1303152.

It is an arithmetic number, because the mean of its divisors is an integer number (6991196832).

Almost surely, 2^65215371242 is an apocalyptic number.

65215371242 is a deficient number, since it is larger than the sum of its proper divisors (46643778070).

65215371242 is a wasteful number, since it uses less digits than its factorization.

65215371242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557093.

The product of its digits is 100800, while the sum is 38.

The spelling of 65215371242 in words is "sixty-five billion, two hundred fifteen million, three hundred seventy-one thousand, two hundred forty-two".