101553519999947 has 2 divisors, whose sum is σ = 101553519999948. Its totient is φ = 101553519999946.

The previous prime is 101553519999941. The next prime is 101553519999977. The reversal of 101553519999947 is 749999915355101.

It is a weak prime.

It is an emirp because it is prime and its reverse (749999915355101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101553519999947 - 2³⁴ = 101536340130763 is a prime.

It is not a weakly prime, because it can be changed into another prime (101553519999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50776759999973 + 50776759999974.

It is an arithmetic number, because the mean of its divisors is an integer number (50776759999974).

Almost surely, 2^{101553519999947} is an apocalyptic number.

101553519999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101553519999947 is an equidigital number, since it uses as much as digits as its factorization.

101553519999947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 620014500, while the sum is 77.

The spelling of 101553519999947 in words is "one hundred one trillion, five hundred fifty-three billion, five hundred nineteen million, nine hundred ninety-nine thousand, nine hundred forty-seven".