101015144449 has 2 divisors, whose sum is σ = 101015144450. Its totient is φ = 101015144448.

The previous prime is 101015144429. The next prime is 101015144557. The reversal of 101015144449 is 944441510101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100199470849 + 815673600 = 316543^2 + 28560^2 .

It is an emirp because it is prime and its reverse (944441510101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101015144449 - 2¹⁷ = 101015013377 is a prime.

It is not a weakly prime, because it can be changed into another prime (101015144429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50507572224 + 50507572225.

It is an arithmetic number, because the mean of its divisors is an integer number (50507572225).

Almost surely, 2^101015144449 is an apocalyptic number.

It is an amenable number.

101015144449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101015144449 is an equidigital number, since it uses as much as digits as its factorization.

101015144449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 101015144449 in words is "one hundred one billion, fifteen million, one hundred forty-four thousand, four hundred forty-nine".