101647381057885 has 16 divisors (see below), whose sum is σ = 132522167607984. Its totient is φ = 74398409874432.

The previous prime is 101647381057861. The next prime is 101647381057933. The reversal of 101647381057885 is 588750183746101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40091007408516 + 61556373649369 = 6331746^2 + 7845787^2 .

It is a cyclic number.

It is not a de Polignac number, because 101647381057885 - 2⁵ = 101647381057853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6919487622 + ... + 6919502311.

It is an arithmetic number, because the mean of its divisors is an integer number (8282635475499).

Almost surely, 2^{101647381057885} is an apocalyptic number.

It is an amenable number.

101647381057885 is a deficient number, since it is larger than the sum of its proper divisors (30874786550099).

101647381057885 is a wasteful number, since it uses less digits than its factorization.

101647381057885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13838990064.

The product of its (nonzero) digits is 45158400, while the sum is 64.

The spelling of 101647381057885 in words is "one hundred one trillion, six hundred forty-seven billion, three hundred eighty-one million, fifty-seven thousand, eight hundred eighty-five".