101025503947 has 2 divisors, whose sum is σ = 101025503948. Its totient is φ = 101025503946.

The previous prime is 101025503941. The next prime is 101025503959. The reversal of 101025503947 is 749305520101.

It is a weak prime.

It is an emirp because it is prime and its reverse (749305520101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101025503947 is a prime.

It is a super-3 number, since 3×101025503947³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (101025503941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50512751973 + 50512751974.

It is an arithmetic number, because the mean of its divisors is an integer number (50512751974).

Almost surely, 2^101025503947 is an apocalyptic number.

101025503947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101025503947 is an equidigital number, since it uses as much as digits as its factorization.

101025503947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 101025503947 in words is "one hundred one billion, twenty-five million, five hundred three thousand, nine hundred forty-seven".