781010000101 has 8 divisors (see below), whose sum is σ = 848635654400. Its totient is φ = 716036332320.

The previous prime is 781010000011. The next prime is 781010000117. The reversal of 781010000101 is 101000010187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-781010000101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (781010000161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662996016 + ... + 662997193.

It is an arithmetic number, because the mean of its divisors is an integer number (106079456800).

Almost surely, 2^781010000101 is an apocalyptic number.

It is an amenable number.

781010000101 is a deficient number, since it is larger than the sum of its proper divisors (67625654299).

781010000101 is a wasteful number, since it uses less digits than its factorization.

781010000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325993259.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 781010000101 its reverse (101000010187), we get a palindrome (882010010288).

The spelling of 781010000101 in words is "seven hundred eighty-one billion, ten million, one hundred one", and thus it is an aban number.