100005819572 has 24 divisors (see below), whose sum is σ = 184232664000. Its totient is φ = 47368241856.

The previous prime is 100005819559. The next prime is 100005819577. The reversal of 100005819572 is 275918500001.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005819577) 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, 1653929 + ... + 1713327.

It is an arithmetic number, because the mean of its divisors is an integer number (7676361000).

Almost surely, 2^100005819572 is an apocalyptic number.

It is an amenable number.

100005819572 is a deficient number, since it is larger than the sum of its proper divisors (84226844428).

100005819572 is a wasteful number, since it uses less digits than its factorization.

100005819572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81575 (or 81573 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 100005819572 in words is "one hundred billion, five million, eight hundred nineteen thousand, five hundred seventy-two".