101505040044913 has 2 divisors, whose sum is σ = 101505040044914. Its totient is φ = 101505040044912.

The previous prime is 101505040044907. The next prime is 101505040044917. The reversal of 101505040044913 is 319440040505101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90908921336689 + 10596118708224 = 9534617^2 + 3255168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101505040044913 is a prime.

It is not a weakly prime, because it can be changed into another prime (101505040044917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50752520022456 + 50752520022457.

It is an arithmetic number, because the mean of its divisors is an integer number (50752520022457).

Almost surely, 2^{101505040044913} is an apocalyptic number.

It is an amenable number.

101505040044913 is a deficient number, since it is larger than the sum of its proper divisors (1).

101505040044913 is an equidigital number, since it uses as much as digits as its factorization.

101505040044913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 101505040044913 in words is "one hundred one trillion, five hundred five billion, forty million, forty-four thousand, nine hundred thirteen".