101863867573 has 16 divisors (see below), whose sum is σ = 110301727536. Its totient is φ = 93513000960.

The previous prime is 101863867571. The next prime is 101863867583. The reversal of 101863867573 is 375768368101.

It can be written as a sum of positive squares in 8 ways, for example, as 5526881649 + 96336985924 = 74343^2 + 310382^2 .

It is a cyclic number.

It is not a de Polignac number, because 101863867573 - 2¹ = 101863867571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101863867571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2576233 + ... + 2615473.

It is an arithmetic number, because the mean of its divisors is an integer number (6893857971).

Almost surely, 2^101863867573 is an apocalyptic number.

101863867573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101863867573 is a deficient number, since it is larger than the sum of its proper divisors (8437859963).

101863867573 is a wasteful number, since it uses less digits than its factorization.

101863867573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40344.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 101863867573 in words is "one hundred one billion, eight hundred sixty-three million, eight hundred sixty-seven thousand, five hundred seventy-three".