101785676520 has 128 divisors (see below), whose sum is σ = 343862599680. Its totient is φ = 23879328000.

The previous prime is 101785676519. The next prime is 101785676561. The reversal of 101785676520 is 25676587101.

It is a self number, because there is not a number n which added to its sum of digits gives 101785676520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202796 + ... + 1284635.

It is an arithmetic number, because the mean of its divisors is an integer number (2686426560).

Almost surely, 2^101785676520 is an apocalyptic number.

101785676520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101785676520 is an abundant number, since it is smaller than the sum of its proper divisors (242076923160).

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

101785676520 is a wasteful number, since it uses less digits than its factorization.

101785676520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487487 (or 2487483 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 101785676520 in words is "one hundred one billion, seven hundred eighty-five million, six hundred seventy-six thousand, five hundred twenty".