240111523061 has 2 divisors, whose sum is σ = 240111523062. Its totient is φ = 240111523060.

The previous prime is 240111523021. The next prime is 240111523193. The reversal of 240111523061 is 160325111042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214577400625 + 25534122436 = 463225^2 + 159794^2 .

It is a cyclic number.

It is not a de Polignac number, because 240111523061 - 2²² = 240107328757 is a prime.

It is a super-4 number, since 4×240111523061⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240111523061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240111523021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120055761530 + 120055761531.

It is an arithmetic number, because the mean of its divisors is an integer number (120055761531).

Almost surely, 2^240111523061 is an apocalyptic number.

It is an amenable number.

240111523061 is a deficient number, since it is larger than the sum of its proper divisors (1).

240111523061 is an equidigital number, since it uses as much as digits as its factorization.

240111523061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 240111523061 in words is "two hundred forty billion, one hundred eleven million, five hundred twenty-three thousand, sixty-one".