140111209279 has 2 divisors, whose sum is σ = 140111209280. Its totient is φ = 140111209278.

The previous prime is 140111209241. The next prime is 140111209291. The reversal of 140111209279 is 972902111041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140111209279 - 2¹⁵ = 140111176511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140111249279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70055604639 + 70055604640.

It is an arithmetic number, because the mean of its divisors is an integer number (70055604640).

Almost surely, 2^140111209279 is an apocalyptic number.

140111209279 is a deficient number, since it is larger than the sum of its proper divisors (1).

140111209279 is an equidigital number, since it uses as much as digits as its factorization.

140111209279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 140111209279 in words is "one hundred forty billion, one hundred eleven million, two hundred nine thousand, two hundred seventy-nine".