100511973620356 has 27 divisors (see below), whose sum is σ = 180292211365413. Its totient is φ = 49029830011680.

The previous prime is 100511973620351. The next prime is 100511973620453. The reversal of 100511973620356 is 653026379115001.

The square root of 100511973620356 is 10025566.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4843230138756 + 95668743481600 = 2200734^2 + 9781040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100511973620351) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 822035281 + ... + 822157543.

Almost surely, 2^{100511973620356} is an apocalyptic number.

100511973620356 is the 10025566-th square number.

It is an amenable number.

100511973620356 is a deficient number, since it is larger than the sum of its proper divisors (79780237745057).

100511973620356 is an frugal number, since it uses more digits than its factorization.

100511973620356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244612 (or 122306 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 100511973620356 in words is "one hundred trillion, five hundred eleven billion, nine hundred seventy-three million, six hundred twenty thousand, three hundred fifty-six".