14950211561 has 2 divisors, whose sum is σ = 14950211562. Its totient is φ = 14950211560.

The previous prime is 14950211543. The next prime is 14950211599. The reversal of 14950211561 is 16511205941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13979515225 + 970696336 = 118235^2 + 31156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14950211561 is a prime.

It is not a weakly prime, because it can be changed into another prime (14950291561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7475105780 + 7475105781.

It is an arithmetic number, because the mean of its divisors is an integer number (7475105781).

Almost surely, 2^14950211561 is an apocalyptic number.

It is an amenable number.

14950211561 is a deficient number, since it is larger than the sum of its proper divisors (1).

14950211561 is an equidigital number, since it uses as much as digits as its factorization.

14950211561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 35.

The spelling of 14950211561 in words is "fourteen billion, nine hundred fifty million, two hundred eleven thousand, five hundred sixty-one".