240061064081 has 2 divisors, whose sum is σ = 240061064082. Its totient is φ = 240061064080.

The previous prime is 240061064063. The next prime is 240061064101. The reversal of 240061064081 is 180460160042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197839033681 + 42222030400 = 444791^2 + 205480^2 .

It is a cyclic number.

It is not a de Polignac number, because 240061064081 - 2³⁰ = 238987322257 is a prime.

It is a super-2 number, since 2×240061064081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240061064381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120030532040 + 120030532041.

It is an arithmetic number, because the mean of its divisors is an integer number (120030532041).

Almost surely, 2^240061064081 is an apocalyptic number.

It is an amenable number.

240061064081 is a deficient number, since it is larger than the sum of its proper divisors (1).

240061064081 is an equidigital number, since it uses as much as digits as its factorization.

240061064081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 240061064081 in words is "two hundred forty billion, sixty-one million, sixty-four thousand, eighty-one".