101725989860 has 36 divisors (see below), whose sum is σ = 234810492924. Its totient is φ = 36991268160.

The previous prime is 101725989853. The next prime is 101725989877. The reversal of 101725989860 is 68989527101.

It can be written as a sum of positive squares in 2 ways, for example, as 75286579456 + 26439410404 = 274384^2 + 162602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101725989796 and 101725989805.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21015347 + ... + 21020186.

Almost surely, 2^101725989860 is an apocalyptic number.

101725989860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101725989860 is an abundant number, since it is smaller than the sum of its proper divisors (133084503064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101725989860 is a wasteful number, since it uses less digits than its factorization.

101725989860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42035564 (or 42035551 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 101725989860 in words is "one hundred one billion, seven hundred twenty-five million, nine hundred eighty-nine thousand, eight hundred sixty".