1101899481796 has 9 divisors (see below), whose sum is σ = 1928327767149. Its totient is φ = 550948691184.

The previous prime is 1101899481769. The next prime is 1101899481803. The reversal of 1101899481796 is 6971849981011.

The square root of 1101899481796 is 1049714.

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., 870022562500 + 231876919296 = 932750^2 + 481536^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1837000 + ... + 2361856.

Almost surely, 2^{1101899481796} is an apocalyptic number.

1101899481796 is the 1049714-th square number.

It is an amenable number.

1101899481796 is a deficient number, since it is larger than the sum of its proper divisors (826428285353).

1101899481796 is an frugal number, since it uses more digits than its factorization.

1101899481796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049718 (or 524859 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 64.

Multiplying 1101899481796 by its sum of digits (64), we get a square (70521566834944 = 8397712²).

The spelling of 1101899481796 in words is "one trillion, one hundred one billion, eight hundred ninety-nine million, four hundred eighty-one thousand, seven hundred ninety-six".