101040040279 has 2 divisors, whose sum is σ = 101040040280. Its totient is φ = 101040040278.

The previous prime is 101040040261. The next prime is 101040040303. The reversal of 101040040279 is 972040040101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101040040279 - 2⁷ = 101040040151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101040040259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520020139 + 50520020140.

It is an arithmetic number, because the mean of its divisors is an integer number (50520020140).

Almost surely, 2^101040040279 is an apocalyptic number.

101040040279 is a deficient number, since it is larger than the sum of its proper divisors (1).

101040040279 is an equidigital number, since it uses as much as digits as its factorization.

101040040279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 101040040279 in words is "one hundred one billion, forty million, forty thousand, two hundred seventy-nine".